By improving the BTR1-PST286 wish single sucperd hydraulie trepanner made in Germany.Realize adjustable of electric line.preventing accidents of electric line or stecly line fall down.
通过对新引德国制造BTR1-PST286液压钻车配套单轨吊技
改造,实现
自
自收,避免了
脱或起吊钢丝绳
掉事故
发生。