名词
中文翻译：沉降槽
同义词：
['subsidence channel', 'subsidence trough', 'subsidence groove']
例句：
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1. The subsidence trough in the valley is filled with water during the rainy season.
山谷中的沉降槽在雨季被水填满。
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2.The geological survey team used a subsidence trough to map the underground faults.
地质调查队使用一个沉降槽来绘制地下断层。
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3.The subsidence trough has been causing problems for years, affecting the local agriculture.
这个沉降槽多年来一直造成问题，影响当地的农业。