名词
中文翻译：钙垢
同义词：
['calcium deposit', 'calcium scale', 'calcium sludge例句：1. The machine wasclogged with calcium deposits', 'making it difficult to start.（这台机器被钙沉积物堵塞了，启动变得困难。）']
例句：
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1. The machine wasclogged with calcium deposits,making it difficult to start.
这台机器被钙沉积物堵塞了，启动变得困难。
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2. The farmer had to remove the calciumdeposits from the soil before planting.
农民在播种前必须从土壤中去除钙沉积物。
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3. The chemical process used to removecalcium deposits from water is called reverseosmosis.
用于从水中去除钙沉积物的化学过程称为反渗透。