Quality System of Beijing Modern Building Materials Co. has been certified by CJCCC that it conforms to GB/T-19002 idt ISO9002 Quality System Standard.是什么意思_Quality System of Beijing Modern Building Materials Co. has been certified by CJCCC that it conforms to GB/T-19002 idt ISO9002 Quality System Standard.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句