There are two types of explosion-proof instruments, safety type and flame-proof type, which constitute intrinsic safety control system and flame-proof control system respectively.
关于防爆有“本安”和“隔爆”类仪表，它们分别构成“本安控制系统”和“隔爆系统”。
There are two types of explosion-proof instruments, safety type and flame-proof type, which constitute intrinsic safety control system and flame-proof control system respectively.
关于防爆有“本安”和“隔爆”类仪表，它们分别构成“本安控制系统”和“隔爆系统”。
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