英德
有道
百度
谷歌
图片
维基
百科
铜制品 [tóng zhì pǐn]
copper product
copperware
copperware
- 是一家专业生产农机系列、铜制品小件的生产型企业。
Is a professional manufacturer of farm machinery series, small pieces of copper production-oriented enterprises. - 妇女们在德里熙熙攘攘的Chawri集市购物，这是一个专门销售铜制品和纸制品的商业中心。
Women shop in Old Delhi’s bustling Chawri Bazaar, a commercial center specializing in brass, copper, and paper products. Photograph by Caleb Kenna - 报道了铜制品表面常温发黑的新工艺，介绍了发黑剂的组成、作用和使用方法。
A new process of room temperature blackening of copper product surface is described. The composition, function and use method of the blackening solution are presented.
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