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。 6 @( r. l, {! l6 x) v: Y) K, D, K- Y$ j q1 g Y# C: |; r: F
New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.0 k5 Q" u6 N! w