西屋型汽轮发电机组
Westinghouse turbine-generator unit
西南石油学院油气开发事业部
Department of Petroleum Engineering
southwest petroleum institute
西南石油学院国家油气藏地质及开发重点实验室
Key Laboratory of State Oil-Gas Reservoir Geology and Development
southwest petroleum institute
西南石油局川西天然气开发公司
west sichuan gas development corporation
Southwest China Bureau of Petroleum
西南开发战略
southwestward development
夕发朝至列车
sunset-departure and sunrise-arrival train