As the body in charge of all kinds of standards and other documents related, SIS is the biggest standardization research and service body in China at the province level.是什么意思_As the body in charge of all kinds of standards and other documents related, SIS is the biggest standardization research and service body in China at the province level.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句