For dredgingworks, only mechanical dredgers with bucket-type closed-grabs shall be used for the dredging of river bed or ponds.
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。
2
This paper discussed the method and practice of construction quality management for dredgingworks from the aspects of personnel, equipment, material and technique.
浅议从人员、设备、材料、工艺等方面控制疏浚工程施工质量的方法与实践。
3
For improving future navigation conditions regulation measures such as reservoir operation scheme, river training works and dredging are discussed.