Terms for subject Chemistry containing emergency

English	Chinese
emergency battery	应急用蓄电池
emergency brake	应急刹车
emergency breakoff	紧急停车装置
emergency car	急救车
emergency closing valve	应急阀
emergency stop cock	应急开关
emergency installation	备用机件
emergency material	应急用备料
emergency power supply unit	应急电源装置
emergency pump	紧急备用泵
emergency shutoff device	紧急切断装置
emergency signalling	事故讯号装置
emergency stop	紧急停车装置 (apparatus)
emergency power supply	应急动力源
emergency power supply	应急电源