balancing gate pit

例句：

1. 1. The engineers designed a balancing gate to control the flow of water.
   工程师设计了一个平衡门来控制水流。
2. 2.The construction workers excavated a balancing gate pit for the new bridge.
   建筑工人挖掘了一个新的桥梁的平衡门坑。
3. 3. The team worked tirelessly to balance the gate pit and ensure the safety of the area.
   团队努力工作，确保门闸坑的平衡和区域的安全问题。