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在交通运输行业,各种机械车辆的润滑油料(包括机油、黑油、黄油和曲线油等),因使用过久之后,受外界因素的影响,会逐渐老化变质。例如高温氧化生成酸性物质和沥青胶质使油品变黑;被汽油或柴油稀释变质,闪点下降或混入水污等而不堪再用。车辆保修使用的清洗油料、洗过零件之后溶解的油脂杂质太多,也不宜再用。据了解,由于目前各地大都没有建立较好的回收利用废油设施和业务,社会车辆,尤其是运输专业户、个体户车辆更换下来的各种大量的废油无法保存,常常只好拿去烧掉;或泼
In the transportation industry, lubricating materials (including oil, black oil, butter and curvilinear oil) of various types of mechanical vehicles gradually deteriorate due to the influence of external factors after being used for a long time. For example, high temperature oxidation of acid and bitumen to make oil darken; gasoline or diesel diluted by deterioration, flash point down or mixed with water pollution and so on can not reuse. Vehicle warranty cleaning oil, washed parts dissolved grease too much, it is not appropriate to reuse. It is understood that most of the waste oil that has been replaced by self-employed vehicles can not be stored in social vehicles, especially transport ones, because most of the localities have not established better facilities for the recovery and utilization of waste oil and their businesses. They often have to burn them off; or splash