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 Z! R1 |6 L7 E/ [. W) @" ~$ J" D' i: q+ D1 [
New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.; l6 U, q" I& l. B
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机器不但要看马力,扭力也很重要。