oil rig石油钻塔oiln.油；油画颜料；奉承话v.涂油；溶化；加油oil-resisting rubber耐油橡胶oil storage facilities油罐oil-producing nation产油国oil-absorption power吸油塔oil-gas accumulation油气积累oil emulsion adjuvants油乳佐剂oil tank interior wall油箱内壁oil-to-oil booster全液压增压器oil tank vent pipeline油罐通气管道Oil measurement sensor油量传感器

1. Oil level marks in the housing and an oil level gauge help to keep the correct oil level.
   轴承座内的油位标记和油位表使油位保持在正确水平。