它被称作挖泥机。
在背景里，你可以看到另外一辆挖泥机。
差不多要在同时使挖泥机，驳船和索斗铲各就各位。
We should have the dredge, barges and draglines in place about the same time.
一些当地的市民认为这些挖泥机对地貌有严重的伤害，因为它们损毁了河流和河岸。
Some local citizens think that dredges do awful harm to the landscapes as they disfigure rivers and banks.
通过挖泥船工业性试验表明，该变矩器性能满足了大型抓斗挖泥机的作业要求。
Industrial test carried out with a grab dredger shows that the performance of the converter meets the demand of the dredger.
进行挖泥工程时，只可使用密封抓斗式的机械挖泥机，以挖掘河床或塘底的淤泥。
For dredging works, only mechanical dredgers with bucket-type closed-grabs shall be used for the dredging of river bed or ponds.
土方发掘可用任何发掘机举行，如单斗发掘机、拉铲发掘机、蛤壳式挖泥机、起重机和铲运机等。
Excavation may be done by any of several excavators, such as shovels, draglines, clamshells, cranes, and scrapers.
土方发掘可用任何发掘机举行，如单斗发掘机、拉铲发掘机、蛤壳式挖泥机、起重机和铲运机等。
Excavation may be done by any of several excavators, such as shovels, draglines, clamshells, cranes, and scrapers.
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