National standard for Fan-coil unit,namely GB/T19232-2003 has definitely regulated the normative addenda of the unit air flow rate experiment method,and cooling capacity experiment method.是什么意思_National standard for Fan-coil unit,namely GB/T19232-2003 has definitely regulated the normative addenda of the unit air flow rate experiment method,and cooling capacity experiment method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句