Oillaux瓦约
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil well monitor system油井监测系统
oil consumption country石油消费国
Oilfield Injected Water油田注入水
oil of zedoary turmeric莪术油
oil transmission system输油系统
oil controlled reserves控制储量
oil field energy saving油田节能
oil-retaining bearing含油轴承
oil injected compressor喷油压缩机
oil surface temperature油的表面温度