C18045-ESH力学性能C18045-ESH材质证明C18045-ESH标准C18045-ESH用途C18045-ESH铜排、C18045-ESH铜棒、C18045-ESH铜板、C18045-ESH铜带、C18045-ESH铜线、C18045-ESH铜管、C18045-ESH铜箔、C18045-ESH铜片、C18045-ESH铜材、C18045-ESH铜料、C18045-ESH线料、C18045-ESH方铜、C18045-ESH六角铜、C18045-ESH片材、C18045-ESH密度C18045-ESH铜焊丝、C18045-ESH焊条(供应铜合金价格、规格、标准、对应牌号、用途、图片、密度、成分表、材质证明))