短语词组短語Bya Ytong 名稱thermalite ytong 一種輕質混凝土ytong plank ytong 板ytong 輕質外牆板 lightweight exterior-wall boardYtong Bya 標簽Ytong made 輕質混凝土制YTONG HOLDING GROUP 團和德國伊通ytong aerated concrete 輕砂加氣混凝土 返回 ytong