廈門克萊勒機(jī)電設(shè)備有限公司成立于2014年，專業(yè)從事液壓元器件銷售工作，經(jīng)過多年的深耕和經(jīng)驗總結(jié)，已經(jīng)具備快速、地為用戶提供服務(wù)的服務(wù)能力。公司主營阿托斯、力士樂、油研、派克及穆格系列液壓閥、液壓泵，型號齊全，100多萬庫存現(xiàn)貨，DPZO-LES-BC-251-S3伺服比例閥-特價ATOS阿托斯現(xiàn)貨供應(yīng)，歡迎垂詢!

       DPZO-LES-BC-251-S3伺服比例閥-特價ATOS阿托斯在使用伺服閥和比例閥的過程中，我們經(jīng)常會發(fā)現(xiàn)伺服閥滯環(huán)比比例閥高，尤其是單級的閥。不是說伺服閥的控制精度比比例閥高嗎，為啥它的滯換比較大呢？這個問題一直困擾著我；它是否也一直困擾著你呢？接下來和我一起探討吧。

1. 控制精度

控制精度主要與伺服閥和比例閥的靜態(tài)性能和動態(tài)性能有關(guān)，是靜態(tài)性能和動態(tài)性能共同決定的。說那類閥的控制精度高應(yīng)該結(jié)合具體的控制系統(tǒng)來考慮。

2. 伺服閥的滯環(huán)比比例閥大

伺服閥通常是機(jī)械反饋，滯環(huán)是機(jī)械滯環(huán)和電氣共滯環(huán)同疊加的結(jié)果。DPZO-LES-BC-251-S3伺服比例閥-特價ATOS阿托斯比例閥通常是位置反饋，滯環(huán)主要是電氣滯環(huán)。所以一般情況下，比例閥的滯環(huán)、重復(fù)精度、線性度等靜態(tài)性能參數(shù)比伺服閥好。

3. 伺服閥的動態(tài)性能一般比比比例好。

4. DPZO-LES-BC-251-S3伺服比例閥-特價ATOS阿托斯那種閥的控制精度更高？

這主要取決于你的控制系統(tǒng)，如果你比較關(guān)注靜態(tài)性能，那么比例閥的控制精度更高；反之，則伺服閥的控制精度更高。

面對著那么多的比例閥、伺服閥和高頻響閥，我們該如何選擇？哪一個才是我們需要的？

首先，對應(yīng)用的分析，重要的因素包括：

流量需求：根據(jù)執(zhí)行器期望的速度以及執(zhí)行器的大小，可以計算單個回路閥的流量需求。

動態(tài)特性：加/減速度、循環(huán)時間、精度、是否考慮閉環(huán)等。

根據(jù)產(chǎn)品結(jié)構(gòu)和性能，控制閥主要包括三類：

比例閥

伺服閥

伺服比例閥，或叫高頻響閥

比例閥

DPZO-LES-BC-251-S3伺服比例閥-特價ATOS阿托斯不帶位置反饋的直動式比例方向閥4WRA

閥體內(nèi)無閥套

流量范圍大

低成本

電磁鐵電流與閥芯位置成比例

每種規(guī)格的閥體具有不同閥芯流量特性

額定流量基于10bar計算。具體壓差取決于系統(tǒng)，會導(dǎo)致流量的變化

實(shí)際流量按額定流量的~90%考慮

避免過高壓降。如果閥壓降超過系統(tǒng)壓力的50%，閥芯工作不穩(wěn)定

更大的流量，額定流量可達(dá)1000L/min

通常用于開環(huán)控制，加速/減速時間可調(diào)

閥芯位置帶反饋

更低的滯環(huán)≤0.1%

更高的分辨率≤0.05%

更大的流量范圍（4~75L/min @ △p=10 bar）

頻率響應(yīng)可達(dá)40Hz（給定信號±10%時）

DPZO-LES-BC-251-S3伺服比例閥-特價ATOS阿托斯?jié)M足多數(shù)閉環(huán)控制應(yīng)用的需求

伺服閥

伺服閥4WS2EM

主級閥芯閥套設(shè)計

力矩馬達(dá)作為先導(dǎo)級，節(jié)流口產(chǎn)生壓差平衡閥芯位置

流量可達(dá)1000L/min @ △p=70 bar

閥芯閥套設(shè)計

可應(yīng)用于水乙二醇等特殊介質(zhì)

高頻響閥（伺服比例閥）

DPZO-LES-BC-251-S3伺服比例閥-特價ATOS阿托斯直動式高頻響閥4WRPEH

閥芯位置帶LVDT反饋，直接測量

無擋板/噴嘴

無射流管

無先導(dǎo)泄露

閥芯閥套結(jié)構(gòu)：零遮蓋、控制、對稱閥芯、線性

閥芯具有多種選項：零遮蓋適用于閉環(huán)控制、帶故障功能

24小時振動在三個方向均達(dá)到25g

小信號是頻寬達(dá)到60~100Hz

先導(dǎo)級4WRPEH，為閥芯閥套結(jié)構(gòu)

帶LVDT反饋

可靠、耐用

DPZO-LES-BC-251-S3伺服比例閥-特價ATOS阿托斯主級閥閥芯無閥套

流量可達(dá)50~1100L/min @ △p=10 bar

LI*ZO比例壓力插裝閥 LICZO-A-1/50 LIMZO-A-1/50 LICZO-A-1/100 LIMZO-A-1/100 LICZO-A-1/210 LIMZO-A-1/210 LICZO-A-1/315 LIMZO-A-1/315 LICZO-A-2/50 LIMZO-A-2/50 LICZO-A-2/100 LIMZO-A-2/100 LICZO-A-2/210 LIMZO-A-2/210 LICZO-A-2/315 LIMZO-A-2/315 LICZO-A-3/50 LIMZO-A-3/50 LICZO-A-3/100 LIMZO-A-3/100 LICZO-A-3/210 LIMZO-A-3/210 LICZO-A-3/315 LIMZO-A-3/315 LICZO-A-4/50 LIMZO-A-4/50 LICZO-A-4/100 LIMZO-A-4/100 LICZO-A-4/210 LIMZO-A-4/210 LICZO-A-4/315 LIMZO-A-4/315 LICZO-A-5/50 LIMZO-A-5/50 LICZO-A-5/100 LIMZO-A-5/100 LICZO-A-5/210 LIMZO-A-5/210 LICZO-A-5/315 LIMZO-A-5/315 LICZO-AE-1/50 LIMZO-A-6/50 LICZO-AE-1/100 LIMZO-A-6/100 LICZO-AE-1/210 LIMZO-A-6/210 LICZO-AE-1/315 LIMZO-A-6/315 LICZO-AE-2/50 LIMZO-AE-1/50 LICZO-AE-2/100 LIMZO-AE-1/100 LICZO-AE-2/210 LIMZO-AE-1/210 LICZO-AE-2/315 LIMZO-AE-1/315 LICZO-AE-3/50 LIMZO-AE-2/50 LICZO-AE-3/100 LIMZO-AE-2/100 LICZO-AE-3/210 LIMZO-AE-2/210 LICZO-AE-3/315 LIMZO-AE-2/315 LICZO-AE-4/50 LIMZO-AE-3/50 LICZO-AE-4/100 LIMZO-AE-3/100 LICZO-AE-4/210 LIMZO-AE-3/210 LICZO-AE-4/315 LIMZO-AE-3/315 LICZO-AE-5/50 LIMZO-AE-4/50 LICZO-AE-5/100 LIMZO-AE-4/100 LICZO-AE-5/210 LIMZO-AE-4/210 LICZO-AE-5/315 LIMZO-AE-4/315 LICZO-AES-PS-1/50 LIMZO-AE-5/50 LICZO-AES-PS-1/100 LIMZO-AE-5/100 LICZO-AES-PS-1/210 LIMZO-AE-5/210 LICZO-AES-PS-1/315 LIMZO-AE-5/315 LICZO-AES-PS-2/50 LIMZO-AE-6/50 LICZO-AES-PS-2/100 LIMZO-AE-6/100 LICZO-AES-PS-2/210 LIMZO-AE-6/210 LICZO-AES-PS-2/315 LIMZO-AE-6/315 LICZO-AES-PS-3/50 LIMZO-AES-PS-1/50 LICZO-AES-PS-3/100 LIMZO-AES-PS-1/100 LICZO-AES-PS-3/210 LIMZO-AES-PS-1/210 LICZO-AES-PS-3/315 LIMZO-AES-PS-1/315 LICZO-AES-PS-4/50 LIMZO-AES-PS-2/50 LICZO-AES-PS-4/100 LIMZO-AES-PS-2/100 LICZO-AES-PS-4/210 LIMZO-AES-PS-2/210 LICZO-AES-PS-4/315 LIMZO-AES-PS-2/315 LICZO-AES-PS-5/50 LIMZO-AES-PS-3/50 LICZO-AES-PS-5/100 LIMZO-AES-PS-3/100 LICZO-AES-PS-5/210 LIMZO-AES-PS-3/210 LICZO-AES-PS-5/315 LIMZO-AES-PS-3/315 LICZO-AES-BC-1/50 LIMZO-AES-PS-4/50 LICZO-AES-BC-1/100 LIMZO-AES-PS-4/100 LICZO-AES-BC-1/210 LIMZO-AES-PS-4/210 LICZO-AES-BC-1/315 LIMZO-AES-PS-4/315 LICZO-AES-BC-2/50 LIMZO-AES-PS-5/50 LICZO-AES-BC-2/100 LIMZO-AES-PS-5/100 LICZO-AES-BC-2/210 LIMZO-AES-PS-5/210 LICZO-AES-BC-2/315 LIMZO-AES-PS-5/315 LICZO-AES-BC-3/50 LIMZO-AES-PS-6/50 LICZO-AES-BC-3/100 LIMZO-AES-PS-6/100 LICZO-AES-BC-3/210 LIMZO-AES-PS-6/210 LICZO-AES-BC-3/315 LIMZO-AES-PS-6/315 LICZO-AES-BC-4/50 LIMZO-AES-BC-1/50 LICZO-AES-BC-4/100 LIMZO-AES-BC-1/100 LICZO-AES-BC-4/210 LIMZO-AES-BC-1/210 LICZO-AES-BC-4/315 LIMZO-AES-BC-1/315 LICZO-AES-BC-5/50 LIMZO-AES-BC-2/50 LICZO-AES-BC-5/100 LIMZO-AES-BC-2/100 LICZO-AES-BC-5/210 LIMZO-AES-BC-2/210 LICZO-AES-BC-5/315 LIMZO-AES-BC-2/315 LICZO-AES-BP-1/50 LIMZO-AES-BC-3/50 LICZO-AES-BP-1/100 LIMZO-AES-BC-3/100 LICZO-AES-BP-1/210 LIMZO-AES-BC-3/210 LICZO-AES-BP-1/315 LIMZO-AES-BC-3/315 LICZO-AES-BP-2/50 LIMZO-AES-BC-4/50 LICZO-AES-BP-2/100 LIMZO-AES-BC-4/100 LICZO-AES-BP-2/210 LIMZO-AES-BC-4/210 LICZO-AES-BP-2/315 LIMZO-AES-BC-4/315 LICZO-AES-BP-3/50 LIMZO-AES-BC-5/50 LICZO-AES-BP-3/100 LIMZO-AES-BC-5/100 LICZO-AES-BP-3/210 LIMZO-AES-BC-5/210 LICZO-AES-BP-3/315 LIMZO-AES-BC-5/315 LICZO-AES-BP-4/50 LIMZO-AES-BC-6/50 LICZO-AES-BP-4/100 LIMZO-AES-BC-6/100 LICZO-AES-BP-4/210 LIMZO-AES-BC-6/210 LICZO-AES-BP-4/315 LIMZO-AES-BC-6/315 LICZO-AES-BP-5/50 LIMZO-AES-BP-1/50 LICZO-AES-BP-5/100 LIMZO-AES-BP-1/100 LICZO-AES-BP-5/210 LIMZO-AES-BP-1/210 LICZO-AES-BP-5/315 LIMZO-AES-BP-1/315 LICZO-TERS-PS-1/100 LIMZO-AES-BP-2/50 LICZO-TERS-PS-1/210 LIMZO-AES-BP-2/100 LICZO-TERS-PS-1/315 LIMZO-AES-BP-2/210 LICZO-TERS-PS-2/100 LIMZO-AES-BP-2/315 LICZO-TERS-PS-2/210 LIMZO-AES-BP-3/50 LICZO-TERS-PS-2/315 LIMZO-AES-BP-3/100 LICZO-TERS-PS-3/100 LIMZO-AES-BP-3/210 LICZO-TERS-PS-3/210 LIMZO-AES-BP-3/315 LICZO-TERS-PS-3/315 LIMZO-AES-BP-4/50 LICZO-TERS-PS-4/100 LIMZO-AES-BP-4/100 LICZO-TERS-PS-4/210 LIMZO-AES-BP-4/210 LICZO-TERS-PS-4/315 LIMZO-AES-BP-4/315 LICZO-TERS-PS-5/100 LIMZO-AES-BP-5/50 LICZO-TERS-PS-5/210 LIMZO-AES-BP-5/100 LICZO-TERS-PS-5/315 LIMZO-AES-BP-5/210 LICZO-TERS-BC-1/100 LIMZO-AES-BP-5/315 LICZO-TERS-BC-1/210 LIMZO-AES-BP-6/50 LICZO-TERS-BC-1/315 LIMZO-AES-BP-6/100 LICZO-TERS-BC-2/100 LIMZO-AES-BP-6/210 LICZO-TERS-BC-2/210 LIMZO-AES-BP-6/315 LICZO-TERS-BC-2/315 LIMZO-TERS-PS-1/100 LICZO-TERS-BC-3/100 LIMZO-TERS-PS-1/210 LICZO-TERS-BC-3/210 LIMZO-TERS-PS-1/315 LICZO-TERS-BC-3/315 LIMZO-TERS-PS-2/100 LICZO-TERS-BC-4/100 LIMZO-TERS-PS-2/210 LICZO-TERS-BC-4/210 LIMZO-TERS-PS-2/315 LICZO-TERS-BC-4/315 LIMZO-TERS-PS-3/100 LICZO-TERS-BC-5/100 LIMZO-TERS-PS-3/210 LICZO-TERS-BC-5/210 LIMZO-TERS-PS-3/315 LICZO-TERS-BC-5/315 LIMZO-TERS-PS-4/100 LICZO-TERS-BP-1/100 LIMZO-TERS-PS-4/210 LICZO-TERS-BP-1/210 LIMZO-TERS-PS-4/315 LICZO-TERS-BP-1/315 LIMZO-TERS-PS-5/100 LICZO-TERS-BP-2/100 LIMZO-TERS-PS-5/210 LICZO-TERS-BP-2/210 LIMZO-TERS-PS-5/315 LICZO-TERS-BP-2/315 LIMZO-TERS-PS-6/100 LICZO-TERS-BP-3/100 LIMZO-TERS-PS-6/210 LICZO-TERS-BP-3/210 LIMZO-TERS-PS-6/315 LICZO-TERS-BP-3/315 LIMZO-TERS-BC-1/100 LICZO-TERS-BP-4/100 LIMZO-TERS-BC-1/210 LICZO-TERS-BP-4/210 LIMZO-TERS-BC-1/315 LICZO-TERS-BP-4/315 LIMZO-TERS-BC-2/100 LICZO-TERS-BP-5/100 LIMZO-TERS-BC-2/210 LICZO-TERS-BP-5/210 LIMZO-TERS-BC-2/315 LICZO-TERS-BP-5/315 LIMZO-TERS-BC-3/100 LICZO-AERS-PS-1/100 LIMZO-TERS-BC-3/210 LICZO-AERS-PS-1/210 LIMZO-TERS-BC-3/315 LICZO-AERS-PS-1/315 LIMZO-TERS-BC-4/100 LICZO-AERS-PS-2/100 LIMZO-TERS-BC-4/210 LICZO-AERS-PS-2/210 LIMZO-TERS-BC-4/315 LICZO-AERS-PS-2/315 LIMZO-TERS-BC-5/100 LICZO-AERS-PS-3/100 LIMZO-TERS-BC-5/210 LICZO-AERS-PS-3/210 LIMZO-TERS-BC-5/315 LICZO-AERS-PS-3/315 LIMZO-TERS-BC-6/100 LICZO-AERS-PS-4/100 LIMZO-TERS-BC-6/210 LICZO-AERS-PS-4/210 LIMZO-TERS-BC-6/315 LICZO-AERS-PS-4/315 LIMZO-TERS-BP-1/100 LICZO-AERS-PS-5/100 LIMZO-TERS-BP-1/210 LICZO-AERS-PS-5/210 LIMZO-TERS-BP-1/315 LICZO-AERS-PS-5/315 LIMZO-TERS-BP-2/100 LICZO-AERS-BC-1/100 LIMZO-TERS-BP-2/210 LICZO-AERS-BC-1/210 LIMZO-TERS-BP-2/315 LICZO-AERS-BC-1/315 LIMZO-TERS-BP-3/100 LICZO-AERS-BC-2/100 LIMZO-TERS-BP-3/210 LICZO-AERS-BC-2/210 LIMZO-TERS-BP-3/315 LICZO-AERS-BC-2/315 LIMZO-TERS-BP-4/100 LICZO-AERS-BC-3/100 LIMZO-TERS-BP-4/210 LICZO-AERS-BC-3/210 LIMZO-TERS-BP-4/315 LICZO-AERS-BC-3/315 LIMZO-TERS-BP-5/100 LICZO-AERS-BC-4/100 LIMZO-TERS-BP-5/210 LICZO-AERS-BC-4/210 LIMZO-TERS-BP-5/315 LICZO-AERS-BC-4/315 LIMZO-TERS-BP-6/100 LICZO-AERS-BC-5/100 LIMZO-TERS-BP-6/210 LICZO-AERS-BC-5/210 LIMZO-TERS-BP-6/315 LICZO-AERS-BC-5/315 LIMZO-AERS-PS-1/100 LICZO-AERS-BP-1/100 LIMZO-AERS-PS-1/210 LICZO-AERS-BP-1/210 LIMZO-AERS-PS-1/315 LICZO-AERS-BP-1/315 LIMZO-AERS-PS-2/100 LICZO-AERS-BP-2/100 LIMZO-AERS-PS-2/210 LICZO-AERS-BP-2/210 LIMZO-AERS-PS-2/315 LICZO-AERS-BP-2/315 LIMZO-AERS-PS-3/100 LICZO-AERS-BP-3/100 LIMZO-AERS-PS-3/210 LICZO-AERS-BP-3/210 LIMZO-AERS-PS-3/315 LICZO-AERS-BP-3/315 LIMZO-AERS-PS-4/100 LICZO-AERS-BP-4/100 LIMZO-AERS-PS-4/210 LICZO-AERS-BP-4/210 LIMZO-AERS-PS-4/315 LICZO-AERS-BP-4/315 LIMZO-AERS-PS-5/100 LICZO-AERS-BP-5/100 LIMZO-AERS-PS-5/210 LICZO-AERS-BP-5/210 LIMZO-AERS-PS-5/315 LICZO-AERS-BP-5/315 LIMZO-AERS-PS-6/100 LIRZO-A-1/50 LIMZO-AERS-PS-6/210 LIRZO-A-1/100 LIMZO-AERS-PS-6/315 LIRZO-A-1/210 LIMZO-AERS-BC-1/100 LIRZO-A-1/315 LIMZO-AERS-BC-1/210 LIRZO-A-2/50 LIMZO-AERS-BC-1/315 LIRZO-A-2/100 LIMZO-AERS-BC-2/100 LIRZO-A-2/210 LIMZO-AERS-BC-2/210 LIRZO-A-2/315 LIMZO-AERS-BC-2/315 LIRZO-A-3/50 LIMZO-AERS-BC-3/100 LIRZO-A-3/100 LIMZO-AERS-BC-3/210 LIRZO-A-3/210 LIMZO-AERS-BC-3/315 LIRZO-A-3/315 LIMZO-AERS-BC-4/100 LIRZO-AE-1/50 LIMZO-AERS-BC-4/210 LIRZO-AE-1/100 LIMZO-AERS-BC-4/315 LIRZO-AE-1/210 LIMZO-AERS-BC-5/100 LIRZO-AE-1/315 LIMZO-AERS-BC-5/210 LIRZO-AE-2/50 LIMZO-AERS-BC-5/315 LIRZO-AE-2/100 LIMZO-AERS-BC-6/100 LIRZO-AE-2/210 LIMZO-AERS-BC-6/210 LIRZO-AE-2/315 LIMZO-AERS-BC-6/315 LIRZO-AE-3/50 LIMZO-AERS-BP-1/100 LIRZO-AE-3/100 LIMZO-AERS-BP-1/210 LIRZO-AE-3/210 LIMZO-AERS-BP-1/315 LIRZO-AE-3/315 LIMZO-AERS-BP-2/100 LIRZO-AES-PS-1/50 LIMZO-AERS-BP-2/210 LIRZO-AES-PS-1/100 LIMZO-AERS-BP-2/315 LIRZO-AES-PS-1/210 LIMZO-AERS-BP-3/100 LIRZO-AES-PS-1/315 LIMZO-AERS-BP-3/210 LIRZO-AES-PS-2/50 LIMZO-AERS-BP-3/315 LIRZO-AES-PS-2/100 LIMZO-AERS-BP-4/100 LIRZO-AES-PS-2/210 LIMZO-AERS-BP-4/210 LIRZO-AES-PS-2/315 LIMZO-AERS-BP-4/315 LIRZO-AES-PS-3/50 LIMZO-AERS-BP-5/100 LIRZO-AES-PS-3/100 LIMZO-AERS-BP-5/210 LIRZO-AES-PS-3/210 LIMZO-AERS-BP-5/315 LIRZO-AES-PS-3/315 LIMZO-AERS-BP-6/100 LIRZO-AES-BC-1/50 LIMZO-AERS-BP-6/210 LIRZO-AES-BC-1/100 LIMZO-AERS-BP-6/315 LIRZO-AES-BC-1/210 LIRZO-AERS-PS-1/100 LIRZO-AES-BC-1/315 LIRZO-AERS-PS-1/210 LIRZO-AES-BC-2/50 LIRZO-AERS-PS-1/315 LIRZO-AES-BC-2/100 LIRZO-AERS-PS-2/100 LIRZO-AES-BC-2/210 LIRZO-AERS-PS-2/210 LIRZO-AES-BC-2/315 LIRZO-AERS-PS-2/315 LIRZO-AES-BC-3/50 LIRZO-AERS-PS-3/100 LIRZO-AES-BC-3/100 LIRZO-AERS-PS-3/210 LIRZO-AES-BC-3/210 LIRZO-AERS-PS-3/315 LIRZO-AES-BC-3/315 LIRZO-AERS-BC-1/100 LIRZO-AES-BP-1/50 LIRZO-AERS-BC-1/210 LIRZO-AES-BP-1/100 LIRZO-AERS-BC-1/315 LIRZO-AES-BP-1/210 LIRZO-AERS-BC-2/100 LIRZO-AES-BP-1/315 LIRZO-AERS-BC-2/210 LIRZO-AES-BP-2/50 LIRZO-AERS-BC-2/315 LIRZO-AES-BP-2/100 LIRZO-AERS-BC-3/100 LIRZO-AES-BP-2/210 LIRZO-AERS-BC-3/210 LIRZO-AES-BP-2/315 LIRZO-AERS-BC-3/315 LIRZO-AES-BP-3/50 LIRZO-AERS-BP-1/100 LIRZO-AES-BP-3/100 LIRZO-AERS-BP-1/210 LIRZO-AES-BP-3/210 LIRZO-AERS-BP-1/315 LIRZO-AES-BP-3/315 LIRZO-AERS-BP-2/100 LIRZO-TERS-PS-1/100 LIRZO-AERS-BP-2/210 LIRZO-TERS-PS-1/210 LIRZO-AERS-BP-2/315 LIRZO-TERS-PS-1/315 LIRZO-AERS-BP-3/100 LIRZO-TERS-PS-2/100 LIRZO-AERS-BP-3/210 LIRZO-TERS-PS-2/210 LIRZO-AERS-BP-3/315 LIRZO-TERS-PS-2/315 LIRZO-TERS-BC-3/210 LIRZO-TERS-PS-3/100 LIRZO-TERS-BC-3/315 LIRZO-TERS-PS-3/210 LIRZO-TERS-BP-1/100 LIRZO-TERS-PS-3/315 LIRZO-TERS-BP-1/210 LIRZO-TERS-BC-1/100 LIRZO-TERS-BP-1/315 LIRZO-TERS-BC-1/210 LIRZO-TERS-BP-2/100 LIRZO-TERS-BC-1/315 LIRZO-TERS-BP-2/210 LIRZO-TERS-BC-2/100 LIRZO-TERS-BP-2/315 LIRZO-TERS-BC-2/210 LIRZO-TERS-BP-3/100 LIRZO-TERS-BC-2/315 LIRZO-TERS-BP-3/210 LIRZO-TERS-BC-3/100 LIRZO-TERS-BP-3/315  

下一篇：http://www.jdzj.com/jdzjnews/k3_17667383.html