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。. l$ b7 p" L6 e; c- e0 D
# a3 S3 z9 x3 ~: j1 F0 T, zNew HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque. 6 S, d' B/ y5 W# O. C. u 7 a7 P, w* h i6 f- R4 M4 O机器不但要看马力,扭力也很重要。