Then, as a normal user that has no knowledge of explosionprotectionsystem, how can he select a good product from the bad ones?
那作为并非防爆系统专业人士的普通用户，他怎么样才能够从中进行鉴别挑选呢？
2
The paper discusses the design and operation of the gas safety and explosionprotectionsystem of roller hearth furnace in detail.
较详细地讨论了辊底式炉煤气安全防爆系统的设计与操作。
3
If the supplier accepts an order without asking questions or only with rough information, you shall consider if the supplier has the qualification to make explosionprotectionsystem.