commercially pure silver 工业用纯银
pure silver nitrate 纯硝酸银
a pure silver ring 这纯洁的银戒指
Pure Silver Cup Electrodes 纯银盘状电极
Story, there are bright gold and pure silver.
故事里有璀璨的金色,和纯净的银色。
The box is made of pure silver.
箱子是用纯银做成的。
Using the traditional electrolysis refining technology, impurities contained in silver positive plate would affect the quality of pure silver product directly or indirectly.
采用传统的电解精练工艺,粗银所含杂质直接或间接地影响纯银产品的质量。
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