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。 * t, c$ w8 z, x- D7 `' Y ; ~& C$ U/ F& d' ^: ]New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.: j9 r* y' q. }9 a5 o( D- V
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机器不但要看马力,扭力也很重要。