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。4 P9 O( z5 F) Q2 D, ^! K, t4 L
" T1 A6 M# a- bNew HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.+ t& K. a8 u+ k7 ?% S8 M