斜放地 [
xié fàng dì]
catty-cornered
- 生活小百科网:梯子放地太斜或太直,也没人扶。
Nobody lift a finger for the flat or straight ladder. - 总体上,本文较系统地对水平分段放顶煤开采后的围岩结构及其控制进行了分析,对于急斜煤层的研究具有一定的意义。
Generally, this paper gives certain analysis to structure and control of surrounding rock in studying horizontal section top-coal caving. The research has positive meaning to steep seams.
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