名词
中文翻译：污泥堵塞
同义词：
['sludge pumping', 'sludge discharge']
例句：
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1. The pipeline was blocked by a large amount of sludge.
管道被大量的污泥堵塞了。
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2. The company is responsible for the sludge discharge into the river.
该公司负责将污泥排放到河流中。
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3. The sludge barging operation has been suspended due to safety concerns.
由于安全担忧，污泥倾泻作业已被暂停。