| 释义 |
Roof collapse短语¹⁴⁴⁹⁷²⁺²
基本例句
顶板崩落
Due to the special geologic conditions of Jinchuan mining area, the phenomena of roof collapse in local drifts is quite common.
金川矿区由于其特殊的地质条件，巷道局部发生冒顶的现象较多。 cnki
This paper summed up the successful experiences in site treatment of roof collapse in recent years and performed an intensive evaluation of some common methods for the treatment of roof collapse.
本文总结了多年来现场冒顶处理的成功经验，并对几种常用的冒顶处理方法进行了评价。 chemyq |