mud tubular bit

例句：

1. 1. Theengineer used a mud tubularbit to drill through the rock.
   工程师使用泥管钻头钻穿了岩石。
2. 2. Theconstruction crew needed a mud tubular bitto remove the old pipe.
   建筑工人需要泥管钻头来移除旧管道。
3. 3. Thetool was designed to fit easily into themud tubular bit, making it easyto use.
   该工具设计得可以容易地插入泥管钻头，使其易于使用。