开闭的英文

lockage

• 开闭比:    on-off ratio
• 开闭阀:    open and close val ...
• 开闭法:    obstruction-elimin ...

例句与用法

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1. General spacifications for air door switching motion transducer in mine
   矿用风门开闭状态传感器通用技术条件
2. Railway vehicle vocabulary part 6 : doors , windows and their operating devices
   铁道车辆词汇第6部分：门窗及其开闭装置
3. Ambient air temperature
   周?温度开闭机器
4. Software entites should be open for extension , but closed ? for modification
   开闭的原则是:一个软件实体对扩展开放,对修改关闭
5. Bell operating rigging
   料钟开闭装置