阀动

阀动 [fá dòng]

1. ■ valve actuation; valve motion

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常用词组

1. ■ 阀动机构 valve operation mechanism;

2. ■ 阀动器 valve actuator;

3. ■ 阀动图 {工} valve diagram;

4. ■ 阀动装置 {机} valve gear