The ARGOS pilot operated regulator is the newest product in a series of regulators that have been developed by the Engineering Department of GasCat.是什么意思_The ARGOS pilot operated regulator is the newest product in a series of regulators that have been developed by the Engineering Department of GasCat.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句