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。' z( a M! ]- \1 ^1 L+ P* b& X
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New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.' n3 o: I- t5 t6 Y" O, n8 J6 D9 ^
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机器不但要看马力,扭力也很重要。