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。+ d. S$ Q2 ?! d7 {7 B; `
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New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque. & `0 o; X3 `. l* ]8 r! v2 R- ^; w$ `$ \, B M" e
机器不但要看马力,扭力也很重要。