drag line dredge造句

例句与造句

1. The silt was drag line dredged in 1985 and cattle were excluded from the stream bed and fringing verge by 2002 after which adult coastal cutthroat trout were found in the slough.
2. Two of those remain today, but the third burned in 1949 . There was also extensive drag line dredging done in the river, just west of the old power plant site.
3. It's difficult to find drag line dredge in a sentence. 用drag line dredge造句挺难的