In operating areas, all Class I and II liquids shall be kept in safety cans.
在操作区域内，所有i类及ii类液体均应放在安全桶内。
The safety class of building structure of this project is II and the design working life is 50 years.
本工程建筑结构安全等级为二级，设计使用年限为50年。
The safety class of building structure of this project is II and the design working life is 50 years.
本工程建筑结构安全等级为二级，设计使用年限为50年。
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