短語(yǔ)詞組短語(yǔ)alumina magnesia silicate 鎂鋁硅酸鹽礦物alumina -silicate refractory fibre product 硅酸鋁耐火纖維制品blanket of alumina -silicate refractory fibre 硅酸鋁耐火纖維毯Non -water alumina-silicate refractory mortar 復(fù)合鑄鋼支承輥 返回 alumina silicate