受限空间内的所有动火作业必须要有动火作业许可证和受限空间作业许可证及作业危险性分析。
All hot work in confined space must have work Permits of the hot work and confined space and Job Hazard Analysis.
通过对探测器电路的具体分析,进一步阐明自动火灾离子感烟探测器的相关功能。
And it elaborates certain functions of ion sensing smoke detector through-the concrete analysis of the circuit.
通过理论分析或实际测试验证,在氢气压力容器的罐体外部可以进行动火打磨工作。
Through exoterica analyse or test validate in practice, worker can use fire to polish outside hydrogen pressure vessel.
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