oilletn.孔眼(视孔)
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil reservoir cap储油器盖
oil column height油柱高度
oil-coal slurry油煤浆
oilstone pressing油石加压
oil mist trapping油雾捕集
oil-tea species油茶物种
oil field station油田站场
oil-related gas油型气
oilfield allusion油田注水
oil tank breather油箱通气管