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. Her lips would part and close over these significant teeth .
   她的嘴唇不时地开闭在这两排惹人注目的牙齿上。
2. Automatic switching equipment , automatic control equipment
   自动开闭?电装置
3. It ' s a drawbridge . they leave it up
   是一座可开闭的吊桥，他们丢下它了
4. Livc late intake - valve - closing engine
   进气门延迟开闭发动机
5. Litv late intake - valve closing system
   进气门延迟开闭系统