请教swaged (2") meter run怎么解? Metering orifices shall not be installed in lines less than 2". If the line is less than 2", one of the following devices shall be used: integral orifice type instrument • swaged (2") meter run • certified meter run with corner taps • variable area flow. 请教各位大侠,swaged (2") meter run • certified meter run with corner taps 怎么理解,是什么仪表,有图最好,谢谢。 查看更多6个回答 . 3人已关注