短语词组短语Bya Ytong 名称thermalite ytong 一种轻质混凝土ytong plank ytong 板ytong 轻质外墙板 lightweight exterior-wall boardYtong Bya 标签Ytong made 轻质混凝土制YTONG HOLDING GROUP 团和德国伊通ytong aerated concrete 轻砂加气混凝土 返回 ytong