to hold route for shunting

例句：

1. 1. To hold a route for shunting, we need to ensure that all equipment is in good working order.
   为了抽送而保持路线，我们需要确保所有设备都处于良好工作状态。
2. 2. The engineers carefully held the route for shunting during the construction phase.
   工程师们在建设阶段仔细地保持了抽送的路线。
3. 3. The team successfully held the route for shunting, allowing the project to proceed smoothly.
   团队成功地保持了抽送的路线，使项目能够顺利进行。