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drill rod
coal. 钻头棒料
earth.sc. 钎子
expl. 钻杆把凿岩机的冲击力和回转力矩传递给钻头的器件。根据使用条件、凿岩机种类、爆破方法的不同,除了可以选用锥形接头钻杆、接续钻杆外,还可选用螺旋钻杆、麻花钻杆等
mech. 钻杆
met. 钢钎
tech. 带孔棒
drill rod
: 61 phrases in 7 subjects
Bridge construction1
Drilling4
Earth sciences1
Engineering geology8
Hydroelectric power stations3
Oil / petroleum3
Technology41