tender coal board slide

例句：

1. 1. The mine was severely damaged during the recent earthquake, and a tender coal board slide occurred.
   最近地震严重损坏了矿井，发生了一次煤矿板滑移。
2. 2.The engineers were monitoring the stability of the slope to prevent any tender coal board slides.
   工程师们正在监测斜坡的稳定性，以防止任何煤矿板滑移。
3. 3. The workers had to be careful when moving heavy equipment on the slippery coal board slide.
   工人们在移动重型设备时必须小心，因为煤矿板滑移的地面很滑。