单词：dipper dredger
dipper dredger的用法和样例：
例句
- As the ponds are quite small and not very deep, it has been proposed that a single grab dredger be used for the operation.由于池塘面积较小而且水不太深，已建议在操作时使用单抓斗挖泥机。
- As the ponds are quite small and not very deep, it has been proposed that a single grab dredger be used for the operation.由于池塘面积较小而且水不太深，已建议在操作时使用单抓斗挖泥机。
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