This analysis has lead to the use of the "Yielding Metal-Prop" at "Ba-Yi" Hydranlic Mine.

本分析结果促使八一矿决定采用可缩金属支架。

youdao

This analysis has lead to the use of the "Yielding Metal-Prop" at "Ba-Yi" Hydranlic Mine.

本分析结果促使八一矿决定采用可缩金属支架。

youdao