The manualfirealarm systems includes fire alarm pull stations and pipes.
手动火灾报警系统包括了火警拉栓和管道。
2
The floors of all campus buildings are equipped with manualfirealarm system.
所有校园建筑的楼层均装有手动火灾报警系统。
3
The manualfirealarm buttons are an important part of a fire alarm system; particularly in petrochemical plant area, it is even a major device of fire alarm at site.