natural gas compressor 例句： 在美国凯睿先生服务于美国国家电力和其他独立的电力项目的董事会,高科技和天然气压缩机合资开发的董事会. Mr.Carrier has served on the Board of Directors of American National Power and various independent power,high technology and natural gas compressor development joint ventures in the United States. 再问： 这是天然气压缩机
