First, cleaning up a forest after a fire or storm does not necessarily create the right conditions for tree growth.
首先,在大火或者暴风雨之后的清理并不一定会给树的生长提供合适的生长环境。
Industrial boosting: process water system, cleaning system, high pressure washing system, fire system.
工业增压:流程水系统、清洗系统、高压冲洗系统、消防系统。
The suitable time to clean oil tank and the safety problems such as oil gas poisoning, fire-explosion and tank deformation during cleaning operation are introduced.
介绍了油罐清洗作业中存在的油气中毒、火灾爆炸和罐体变形等安全问题,并针对问题提出了解决办法。
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