Through to the compressor carbon deposit phenomenon formation, the harm analysis, in coor with progress of production practice proposed some preventive measures.
通过对压缩机积炭现象的形成、危害的分析，结合生产实践提出了一些预防措施。
The formation of photochemical smog, the reaction mechanism, the harm to our humanity, the zoology and botany and the preventive measure are introduced in this paper.
本文介绍了光化学烟雾的形成机理，对人类、动植物等的危害并提出了预防措施。
The formation of impurity in the pipeline, the internal corrosion mechanism as well as the harm of the internal corrosion to the pipeline operation was introduced.
介绍了成品油管道内杂质形成情况、管道内腐蚀机理及对管道运行的危害。
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