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1.This chemical is used in the production of fertilizers and pesticides.
这种化学物质用于生产肥料和农药。
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2. The gas has a strong odor, similar to rotten eggs.
这种气体有强烈的气味，类似于臭鸡蛋。
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3. In some cases, it can be used as an alternative to sulfuric acid for corrosion control.
在某些情况下，它可以作为硫酸的替代品用于腐蚀控制。