ultimate pit slope

例句：

1. 1.The engineer determined that the ultimate pit slope was too steep for safe construction.
   工程师确定，最终的滑坡太陡，不适合安全建设。
2. 2. The team worked tirelessly to ensure the safety of the workers at the ultimate pit slope.
   团队不懈努力，确保工人在最终的滑坡处的安全。
3. 3. Due to the extreme conditions at the ultimate pit slope, it was deemed unsafe to conduct any further operations.
   由于最终的滑坡条件极端，认为进行任何进一步操作都是不安全的。