1.The role and application of hydrofinishing to lube oil processing were described. Having Compared with clay refining, the trend of development of lube oil hydrorefining technology was given.
论述了
补充
制在润滑油工过程的作用及应用,对补充制与白土制进行对比,提出润滑油技术的发展方向.
制声明：以上例句、词性
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