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。" X% I9 Y$ g) |' O+ @4 O- `( z& D
7 G1 \0 [. R8 ]/ C& z: b0 BNew HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.% A3 G6 ^6 w" s4 A
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机器不但要看马力,扭力也很重要。