lightweight insulating concrete的意思|示意

美 / / 英 / /

轻质隔热混凝土

轻质保温混凝土 ... 轻混凝土轻质混凝土 lightweightconcrete 特殊轻质骨料混凝土 very light aggregate concrete 轻质保温混凝土 lightweight insulating concrete ...