bucket dredger的用法和樣例：
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.
由于池塘面積較小而且水不太深，已建議在操作時(shí)使用單抓斗挖泥機。 - As the ponds are quite small and not very deep, it has been proposed that a single grab dredger be used for the operation.
由于池塘面積較小而且水不太深，已建議在操作時(shí)使用單抓斗挖泥機。
