dredging bucket 中文意思是什麼
dredging bucket
解釋
挖泥船鏟斗-
Where tight dredging depth tolerances are required to dredge contaminated materials the bucket - type closed - grab dredger shall incorporate a visor
在挖掘受污染物料時,若嚴格規定了挖泥深度容限,則密封抓鬥式的挖泥機應設置一個護罩。 -
4 for dredging works, only mechanical dredgers with bucket - type closed - grabs shall be used for the dredging of river bed or ponds
進行挖泥工程時,只可使用密封抓鬥式的機械挖泥機,以挖掘河床或塘底的淤泥。
分享友人