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。, |7 d7 x& e; W3 \9 x; a8 v
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New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque. : y0 q; o0 u- r' I4 I4 N! R) w " v2 h4 H# h" W3 f& Z机器不但要看马力,扭力也很重要。