oildom石油产区
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil seal spring油封弹簧
oil baffle disc挡油盘
oil switch lamp道岔油灯
Oil Casing Tube石油套管
Oil cracked gas原油裂解气
oil test engine油料试验机
oiler submarine潜水油轮
Oil of anthemis洋甘菊属油
oil drain canal放油道
oil tank cooler油槽冷却器