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Cu-Sn alloy coating with different Sn content can be replacement plating out on iron and steel surface in a solution comprising of copper sulfate, stanous sulfate, complexant and stabilization agent.

铁件在由硫酸、硫酸亚、络合剂、稳定剂等组成溶液中,可以置换镀覆不同- 合金镀层,其工艺可替代氰化物预镀,消除氰化物污染,是实现电镀清洁生产措施之一。

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A whitesmith is a person who works with "white" or light-colored metals such as tin and pewter.

铁匠.与浅色金属(或铝合金类)打交道匠人.

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lb., LBA, lbap., L-bar, lbav., LBBB, LBC, LBD, LBE, lbf,

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BBC纪录片《百件藏品话沧桑》

Bronze, an alloy of copper and tin, is much harder and cuts much better than copper or gold, and once discovered, it was widely used to make tools and weapons for over a thousand years.

青铜是铜与,比铜要更坚硬、切割的效果更好,自一千多年前被就一直用于工具和武器制作。

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He even found a copper-tin alloy formula that could reduce friction.

他甚至了一种可以减少摩擦的铜配方。

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LBT, LBV, LBW, LC, LC/MS, LCA, LCAC, LCAO, LCAS, LCB,

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