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内冷钻头钨钢出水合金钻16.1 16.2 16.3 16.4 16.5 16.7 16.816.9
PQT合金钻头钨钢铝用16-17
内冷钻头钨钢出水合金加长钻
PQT涂层合金钻头16-17
钨钢合金钻头616.1//16.2/16.VQQ3/16.4/16.15/16.6/16.7//16.816
16.516.216.716.116铰刀16.3.螺旋@直柄16.6机用16.816.4
银钢枝银钢棒LOO16.016.116.216.316.416.616.7支圆16.816.9
上工锥柄麻花钻头16.1 16.2 16.3 16.4 16.5 16. 6 16.7 16.816.9