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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.

铁件在由硫酸铜、硫酸亚锡、络合剂、稳定剂等组成的,可以置换镀覆不同锡质量分的铜- 锡合金镀层,其工艺可替物预镀铜,消除物污染,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.

锡铁匠.与浅色金属(锡或铝合金类)打交道的匠人.

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apport, apportion, apportionment, apposable, appose, apposite, appositely, appositeness, apposition, appositional,

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3G, 401(K), a,

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BBC纪录《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.

青铜是铜与锡的合金,比铜或金都要更坚硬、切割的效果更好,自一千多年前被现起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.

他现了一种可以减少摩擦的铜锡合金配方。

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appreciably, appreciate, appreciation, appreciationtraining, appreciative, appreciator, appreciatory, apprehend, apprehensibility, apprehensible,

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3G, 401(K), a,
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