Disclosed is a safety explosion proof type sodium hydride adder which is an integral structure.
安全防爆型氢化钠添加器，是一个整体结构。
Therefore, each piece of explosion-proof products shall mark or explain the explosion-proof type.
因此，每一款防爆产品都应当标注或者说明其防爆的类型。
Specific purpose: if the use of chemical companies need to consider the use of explosion-proof type.
特定用途：如果是化工企业使用则需要考虑采用防爆型。
Car body external indicator light (led explosion-proof type), need installed on both sides of each car shall not be less than 6 light (a car has been flow power supply).
车体外部两侧需安装指示灯(LED防爆型)，每车不得少于6盏(一车一直流电源)。
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”。
The transition from the first stage to the second is well known tobe rather traumatic, with the dreaded “proof-type questions” being thebane of many a maths undergraduate.
从第一阶段到第二阶段是出了名的折磨人心，特别是“证明类问题”成了众多数学系本科生生心中永远的痛。
The transition from the first stage to the second is well known tobe rather traumatic, with the dreaded “proof-type questions” being thebane of many a maths undergraduate.
从第一阶段到第二阶段是出了名的折磨人心，特别是“证明类问题”成了众多数学系本科生生心中永远的痛。
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