oil pit滤油防火装置
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil exploration project石油勘探项目
oil/gas distribution油气分布
oil bleaching apparatus油的漂白仪器
oil-bound water paint油粉
oil and ground relation油地关系
oil-cooled transformer油冷变压器
oilfield produced waters油田采出水
oil conversion processes石油的转化过程
oil-type servo-motor油压式伺服电动机
oil and gas pump station输油气泵站