又看了一下冰钻的解释,说是最新科技,New high torque 2 H.P,可以用8‘, 9’,10‘三种钻头,应该没有问题。2 V5 M z* f2 j" i5 k
6 V% M# o0 g) \' z; V0 O. _* eNew HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.5 |, \+ p6 S. W4 L Z6 p# d