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。/ p/ \5 Z$ D! l n5 S K
* t w- q Z* C& Q) K H) CNew HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque. 8 T' E( }6 m& E& A+ @* s2 n0 V# G% v$ O, P
机器不但要看马力,扭力也很重要。