名词
中文翻译：沙石冲刷运河同义词
同义词：
['sand and gravel canal', 'sand and silt canal']
例句：
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1. The construction of this sand and gravel canal has been a long-standing project in the region.
该地区长期以来一直在建设这条砂石运河。
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2. The sand and silt canal is crucial for maintaining water quality in the river.
这条砂石运河对于保持河流水质至关重要。
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3. The sand and gravel canal is used for flood control during high water seasons.
在洪水季节，这条砂石运河被用来进行防洪控制。