坑道顶儿用柱子顶着的英文

the pillars sustain the roof of the pit. go against

• 坑道:    gallery; adit; min ...
• 儿:    child
• 用:    40分钟跑完全程 run the c ...
• 柱子:    post; pillar
• 着:    wear; dress

例句与用法

1. The pillars sustain the roof of the pit .
   坑道顶儿用柱子顶着。