intrinsic safety短语¹⁴⁴⁹⁷²⁺² 基本例句 原有安全度 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”。 dictall