oil rig石油钻塔oiln.油；油画颜料；奉承话v.涂油；溶化；加油oil lubricating piping润滑油管路oil-film light valve油膜光阀Oil Burner Entry Point油灯低空航线飞机进入点oil-absorption agent吸油剂oil-filled equipment充油设备oil-loading facility装油设备oil/water emulsions乳化油废水Oil-film instability油膜失稳oil / water cooling油／水冷oil seal felt retainer油封毡护圈