Tombac alloy顿巴克黄铜
tombac c合金
Tombac foils for decorating顿巴黄铜箔
Tombac c alloy顿巴克黄铜
tombac cupping cup黄铜火罐
Tombac-bakalloy铜锌合金
tombac-bak德国黄铜
N(名词) any of various brittle alloys containing copper and zinc and sometimes tin and arsenic: used for making cheap jewellery, etc 顿巴黄铜; 含铜和锌、有时含锡和砷的脆性合金,用以制作廉价首饰等