开启门锁或转动门锁把手时，不要用力过猛，以免减少门锁的使用寿命。

Please do not too much to force the locks and handle when open the door in order to avoid reducing the useful life of hardware.

youdao

开启门锁或转动门锁把手时，不要用力过猛，以免减少门锁的使用寿命。

Please do not too much to force the locks and handle when open the door in order to avoid reducing the useful life of hardware.

youdao