rotary drill rig

例句：

1. 1. The rotary drillrig is used for drilling inrocky terrains.
   旋转钻机架用于在岩石地形中钻孔。
2. 2. The rotary drill rig is a versatile toolthat can be used for various drillingtasks.
   旋转钻机架是一种多功能工具，可用于各种钻孔任务。
3. 3. Therotary drill rigis equipped with advanced technology toensure safe and efficient drilling operations.
   旋转钻机架配备了先进的技术，以确保安全高效的钻孔操作。