抓斗挖泥船 [船] grab dredger
priestman dredger
- 所有挖泥工程,须使用在紧贴濬挖地带围有沙隔的密封抓斗式的挖泥船。
Closed grab dredgers with silt screens enclosing the immediate grabbing areas shall be used for all dredging works. - 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. - 抓斗式挖泥船进行超深超宽施工时,精度控制始终是难题之一。
When a clamshell dredger is used to carry out over-depth and over-width dredging, accuracy control is always one of the difficulties.