反平衡阀 背压阀

counterbalancevalve  detail>>

反平衡阀

counter balance valve counterbalance valve  detail>>

平衡阀，稳压阀

equalizer ale equalizer valve  detail>>

背压阀

back pre ure valve back pressure ale back pressure valve counterbalance valve  detail>>

平衡阀

balance ales balance dvalve balance valves balanced gate valve balanced valve&nb...  detail>>

止回阀，背压阀

back pressure valve backpre urevalve  detail>>

不平衡阀

unbalanced valve  detail>>

弹簧平衡阀

spring and lever loaded valve spring balance valve  detail>>

刹车平衡阀

shachepinghengfa  detail>>

双座平衡阀

double seat balanced valve  detail>>

压力平衡阀

equilibrated valve pressure-balanced valve  detail>>

液动平衡阀

hydraulically balanced valve  detail>>

液压平衡阀

hydraulically balanced valve  detail>>

蒸汽平衡阀

vapour balancer  detail>>

柱形平衡阀

cylindrically balanced valve  detail>>

反平衡法

counter balancing method  detail>>

反平衡作用

anti balance action antibalance action  detail>>

风流平衡阀门

flow balance damper  detail>>