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。9 `+ H! [, D+ l; p1 A/ `" g
! u& V% M* L0 h, M( aNew HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque. ' q& U6 q+ x. O' O0 @& O+ d& ?/ g- B. R- j7 p7 T
机器不但要看马力,扭力也很重要。