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挖泥船是用来挖掘或捞取河底物质的船或设备。
A dredger is a boat or a device which is used to dredge rivers.
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泥泵是水力输送式挖泥船的关键设备。
The slurry pump is one of the key facilities of a dredger.
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泥泵是水力输送式挖泥船的关键设备。
The slurry pump is one of the key facilities of a dredger.
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