oilsand油砂
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil - gas separator分离器
oil painting on glass玻璃油画
oil storage structure储油结构
oil spill dispersants溢油分散剂
oil-driven machines油动机
oil-gas development油气开发
oil well annular pipe油井套管
oil deposit appraisal低渗透油藏
oil circuit-breaker油断路器
oil pump float screen油泵浮筒滤网