单词	lubricating oillub oil
释义	lubricating oillub oil 润滑油
随便看	efficiency classifier efficiency coefficient efficiency coefficient approach Efficiency Coefficient Method efficiency coefficients efficiency coil efficiency collector efficiency comes first efficiency-comes-first theory efficiency comparison efficiency component efficiency condition efficiency connotation efficiency construction efficiency contract efficiency control Efficiency cooperating efficiency correction efficiency correlation curve efficiency cost efficiency counters efficiency criterion efficiency curve efficiency-curve efficiency curve of separation