... hand-operated two-beam crane手动双梁吊车 hand-operated valve手动阀 hand-operated winch手摇绞车 ...
基于386个网页-相关网页
... hand-operated valve 手动阀 ; 手动门 hand operated bypass valve 手动旁通阀 hand-operated direction valve 手动换向阀 ...
基于10个网页-相关网页
... hand-operated direction valve 手动换向阀 hand-operated valve 手动阀; 手控阀 hand-regulating expansion valve 手调节膨胀阀 ...
基于6个网页-相关网页
... 人工操作阀 manually-operated valve 手动操作阀 hand-operated valve 踏板操作阀 treadle operated valve ...
基于1个网页-相关网页
hand-operated direction valve 手动换向阀
hand operated valve lapping tool 手动研阀工具
hand-operated brake valve 手操纵制动阀
hand operated bypass valve 手动旁通阀
Hand-Operated Slide Valve 手动闸板阀
hand -operated quick-closing stop valve 手动速闭阀
There are different kinds of valves ranging from simple hand operated valve to fully automatic valve for control of gas-air mixture.
有很多从简单的手阀等各种阀到全自动控制天然气混空气阀。
The opening and the closing of the gate valve are realized by a manual pump; the past bulky gate valve with a hand-operated screw rod is replaced.
闸阀的开启和关闭靠手动泵来实现，取代了过去手摇丝杠的笨重闸阀。
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