To restore bright silver to rust excellent results.
使银器恢复光亮，去锈效果极佳。
Others polished the blade until all the rust was removed and it glistened like burnished silver.
还有一些人揩擦着斧口，把所有的锈都擦去，使它发亮得像磨光了的银器。
Successful tests on the silver plating on hard aluminium, pure aluminium and rust-proof aluminium alloy, are made and the mass production is finally carried out.
对硬铝、纯铝、防锈铝合金镀银进行了试验并获得成功，投入了批量生产。
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