... Bolts,screws & nuts 螺栓, Boring heads 搪孔头 （l）吊装构件团体外形狭长，其钢箱梁表面尺寸为164m*3m*3m，结构柔性大。 ...
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... barrel heads 油桶的两端盖 boring heads 螺帽及螺丝; 搪孔头 brunswick heads 布伦瑞克黑兹 ...
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镗削头
precision boring heads 精密镗削头
milling and boring heads 铣镗头
two precision boring heads 精密镗削头
Boring g heads 搪孔头
·2,447,543篇论文数据，部分数据来源于NoteExpress
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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