mouldboard type scraper

例句：

1. 1.The mouldboard type scraper was used to remove the hardened mud from the riverbed.
   压碎板式刮刀被用来从河床上清除硬化的泥浆。
2. 2.The engineer used the mouldboard type scraper to clear the debris from the road.
   工程师使用压碎板式刮刀清理道路的杂物。
3. 3.The mouldboard type scraper was a crucial tool in the construction of the new bridge.
   压碎板式刮刀是建造新桥的关键工具。