oiltea油茶
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
Oilfield Community油田社区
Oilseed crop Seeds油料种子
Oil-bearing rate含油率
oil-vapour space油汽空间
oil slinger gasket抛油圈垫
oilfieldwastewater油田废水
oil hydraulic pump油压泵
oil-cracking gas原油裂解气
oil field business油田企业
oil-break switch油开关,油断路器