Presents field tests of pressurization air supply systems of stairwell, antechamber and common antechamber for a tall building in Harbin.是什么意思_Presents field tests of pressurization air supply systems of stairwell, antechamber and common antechamber for a tall building in Harbin.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句