shaft drill jumbo

例句：

1. 1.The engineer used a shaft drill jumbo to bore a hole in the wall.
   工程师使用长轴钻头在墙上钻孔。
2. 2.The construction crew needed a shaft drill jumbo to remove the old concrete beams.
   建筑工队需要一根长轴钻头来拆除旧的混凝土梁。
3. 3. The tool was designed for heavy-duty applications, including shaft drill jumbo usage.
   该工具专为重型应用设计，包括长轴钻头的使用。