按规定，上级领导来检查必须戴好安全帽才可以进入。

According to regulations, the higher-ups to check the need to wear a helmet before they can enter.

youdao

按规定，上级领导来检查必须戴好安全帽才可以进入。

According to regulations, the higher-ups to check the need to wear a helmet before they can enter.

youdao