但到1979年和1983年才分别在原油管线和成品油管线上得到工业性应用。
It was, however, not until 1979 and 1983 that the friction reducer began to be industrially applied in crude oil and oil products pipelines respectively.
成品油管线在运营过程中会发生泄漏，主要原因为管线腐蚀、外力撞击、打孔盗油及水击等，泄漏后油品蒸发扩散形成的爆炸性区域具有很大的危险。
Oil gas diffusion can probably occur from the product pipeline due to some factors such as pipe corrosion, foreign power collision, oil stolen by drilling hole or water hammer.
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