earthwork balance

例句：

1. 1. The engineers must ensure that the construction of the new bridge does not exceed the earthwork balance.
   工程师们必须确保新桥梁的建设不会超出土石方工程的平衡。
2. 2. The construction of the tunnel required careful consideration of the earthwork balance to prevent any potential hazards.
   隧道的建设需要仔细考虑土石方工程的平衡，以防止任何潜在的危险。
3. 3.The project team is working on a balance between cost and efficiency to achieve the earthwork balance for the construction.
   项目团队正在努力在成本和效率之间找到平衡，以实现施工的土石方工程平衡。