初步勘查主要是针对发现的每个疑点和初步认定的起火部位进行重点勘查。
火焰安全灯在点燃灯芯后,使灯升温的时间至少5min。
Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure () the saturation temperature. ["the more","the higher","the lower","the highest"]
当突发事件分级指标有交叉、难以判定级别时,按()处理,防止风险的扩散。 ["较低一级","较高一级","最低级","最高级"]
冲模制造公差的选择要考虑哪些因素?
危化品安全技术说明书包括哪些内容?