hand-operated valve
基本解释
- 手动阀；手控阀
英汉例句
- 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。
www.tech-domain.com - 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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双语例句
词组短语
- hand -operated multi-vane regulating valve 手动多叶调节阀
- Hand -Operated Slide Valve 手动闸板阀
短语
专业释义
- 手动阀