oil cupn.油杯;油壶
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil hydraulic pressure cylinders液压缸
Oil Plant Primary School Station油厂国小站
oil pump spindle bearing housing油泵心轴轴承壳
oil pressure relief valve spring油压安全阀簧
oil/water interfacial tension油水界面张力
oil-operated voltage regulator油压操作电压调整器
Oil immersible power transformer油浸式电力变压器
oil-tempered spring steel wire油淬火-回火弹簧钢丝