dredger

🇬🇧/ˈdredʒə(r)/ 🇺🇸/ˈdredʒər/ 5
A dredger is a boat with a special machine attached to it, that is used to increase the size of harbours, rivers, and canals. 挖泥船

noun [专属名词]挖泥船;疏浚机;挖泥机;撒粉器

So far we haven't used high depth dredger.
迄今为止,我们没有使用高深入挖泥船。

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