oil dag黑铅油oiln.油；油画颜料；奉承话v.涂油；溶化；加油Oil-rig constructors采油设备承造商.oil and gas evaluation油气评价oil-- gas resource油气资源oil gathering platform集油平台Oil out of Temperature油出口温度oil drilling rig crane石油钻机天车oilseed rape herbicide油菜田除草剂oiltea camellia flower茶子木花oil development option石油开发期权oil-immersed reactor油冷电抗器,充油电抗器