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。4 z! S& H4 B/ B8 P) u1 J
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New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.% ?0 r h0 @+ E& Q
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机器不但要看马力,扭力也很重要。