oil wel油井
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil wick lubrication油绳润滑
oil-bearing sewage含油废水
oil repellent finish抗油整理剂
oil shale waste slag油页岩废渣
oil-gas evaluation油气评价
oil-steel reaction油钢反应
oil-beaning forest富含油脂林木
oil - entry trough补充进油槽
oil treatment system油处理系统
oil immersion method油浸法