Principle of different detectors for gas safety detection and classification and selection of gas safety detection apparatus are expounded, and division of explosionproof area is discussed.
阐述了燃气安全检测的各种传感器工作原理、燃气安全检测仪器的分类和选择、防爆区域的划分。
Classification Society performs a vital role for the safety of life and wealth at sea with its professional knowledge.
船级社以其非常专业性的船舶技术知识在保障船舶航行安全方面起着独特的作用。
The contents, classification, principle and the means of fire safety assessment of forest industry timber yard are studied and the task and meaning of fire safety assessment are defined.
研究森工贮木场消防安全评估的内容、分类、原理及其森工贮木场消防安全评估的方法。确定了森工贮木场消防安全评估的任务、意义。
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