1.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.

1.通过对的全德国制造BTR1-PST286液压钻车配套单轨吊技改造,实现电缆的自自收,避免了电缆起吊钢丝绳掉事故的发生。