独立立式钻床
The distinctive features of new long spiral drilling machine is the use of self-elevating column, and the column uses the truss structure replacing the original spiral steel cylinder structure. This structure can achieve vertical lift column and makes the process secure and reliable.
新型长螺旋钻机的显著特点是采用自升式立柱,该立柱采用桁架式结构,取代原有螺旋钢圆筒式结构,可以实现垂直起柱,因而起柱过程更加安全可靠。
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