要得到最好的成效，每次换钢瓶的时候装一个新的垫圈。

For best results, install a new washer with every cylinder change.

youdao

为了防止这种情况发生，避免用过大的上紧力，并且每次换钢瓶的时候装一个新的垫圈。

To prevent this from happening, avoid excessive tightening force and install a new gasket with every cylinder change.

youdao

宿舍管理人员因工作需要进入房间时应给予配合，不得拒绝，更不能私换、私装锁具。

You are expected to cooperate with dormitory staffs when they need to get into your room for necessary work. You are not allowed to change the door locks by yourself.

youdao

I if I go over here, and I say float of three, it's going to do the conversion.

用float来处理3，它将能完成装换，但是如果我吧这个转化为浮点数。

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