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。 5 w! Z) X) a# r6 N+ f " c3 `5 ]* m/ y8 o$ f- cNew HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque. ) l. d' v. b0 i } 5 T5 X( _; v _2 p& w# M% V- ?机器不但要看马力,扭力也很重要。