名词
中文翻译：沙石疏浚机
同义词：
['sand dredger', 'gravel dredger例句：1. The sand and gravel dredger was used to clean the beach.（沙石疏浚机被用来清理海滩。）']
例句：
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1. The sand and gravel dredger was used to clean the beach.
沙石疏浚机被用来清理海滩。
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2.The sand and gravel dredger was a crucial tool in the construction of the new highway.
沙石疏浚机是新高速公路建设中的关键工具。
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3. The sand and gravel dredger was responsible for removing the large rocks from the riverbed.
沙石疏浚机负责从河床移除大块岩石。