hydraulic boring unit 液压镗床 ; 液压钻孔机
hydraulic boring lathe 液压镗车床
hydraulic boring machine 液压镗床 ; 水力镗床
hydraulic thrust boring machine 水压钻探机
hydraulic c boring unit 液压镗床
hydraulic c boring lathe 液压镗车床
hydraulic test boring machine 水压钻探机
boring hydraulic mining 钻孔水力采矿
Large torsion hydraulic boring machine, cutter heads and cutters are chosen and suitable boring procedures are well prepared, thus good effects have been achieved in the construction.
经选用合理的大扭矩液压钻机、刀盘和刀具并制定合适的钻孔工艺，在施工中取得良好的效果。
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