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.
通过对新全德国制造BTR1-PST286液压钻车配套单轨吊技
改造,实现电
自
自收,避免了电
或起吊钢丝绳
掉事故
发生。