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。3 A5 Y f& o& f& U4 G
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New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque. / C, ?2 ?5 l2 f9 l& f, q& g 5 ~) A) K! a! u; K+ s( t机器不但要看马力,扭力也很重要。