精密仪器的驱动用发条，钟表，驱动机构。

Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece.

youdao

他每天给钟表上发条。

He winds the clock every day.

youdao

他将钟表里的发条取了出来，可现在装上不了。

He took the spring out of the clock but now he can't get it back.

youdao

他将钟表里的发条取了出来，可现在装上不了。

He took the spring out of the clock but now he can't get it back.

youdao