计时机构的英文

chronograph mechanism

time keeper

time movement

• 计时:    reckon by time; ti ...
• 机构:    mechanism
• 计时机构托:    hour mechanism sup ...

例句与用法

1. Timing machines for horology ; requirement , testing
   钟表制造技术的计时机构.要求.检验
2. Acoustic timing machine
   声音计时机构