短语词组短語clad base material 履金屬箔基材clad metal material 複層材料metal -clad bade material 覆金屬箔基材cermet clad material 金屬陶瓷覆層材料copper -clad aluminium composite material 銅包鋁複郃材料flexible copper clad material 撓性覆銅箔材料 返回 clad material