scraper type rockloader

例句：

1. 1.The scraper type rockloader is an essential tool for mining operations.
   刮板式岩石装载机是采矿作业中必不可少的工具。
2. 2.The rockloader was designed to efficiently load and transport heavy rocks.
   这种岩石装载机被设计用来高效地装载和运输重石。
3. 3.The scraper type rockloader has proven to be a cost-effective solution for large-scale mining projects.
   刮板式岩石装载机已被证明是一种在大规模采矿项目中成本效益高的解决方案。