The fuse ACTS as a safety device.

保险丝起着保险装置的作用。

The brake is an important safety device.

制动器是绞车中一个重要的安全装置。

Safety device for overheating is contained.

内置过热安全装置，安全性能强。

Alarm testing and safety device testing of M/E.

主机报警和安全装置试验。

Safety device testing for emergency diesel generator.

应急柴油发电机的安全装置试验。