XGR18 type multi functional rotary drilling rig developed by basic company fill gaps in the province.
XGR18 type multi functional rotary drilling rig developed by basic company fill gaps in the province.
基础公司研制的XGR18型多功能旋挖钻机填补省内空白。
XGR18 type multi functional rotary drilling rig developed by basic company fill gaps in the province.
基础公司研制的XGR18型多功能旋挖钻机填补省内空白。