pretensional

与pretensional相关的网络例句 [注：此内容来源于网络，仅供参考]

This paper introduces new technology with minor diameter resin grouting combined anchor pretensional cable anchor under small coal pillar ,structure and mining-induced in S520 main haulageway of Changcun coal mine,it analyzes reinforcing results of roadway and evaluates technical economical results.

常村煤矿S52 0运输大巷在小煤柱、构造和采动多重影响条件下，采用小直径树脂注浆联合锚固预应力锚索新技术；分析和评价了巷道加固效果和技术经济效