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。 0 c5 _9 W3 D. Y- ?- g& U% {: |% O0 f: c: R+ u& U' h
New HTT transmission with a heavy duty clutch for fast, solid engagements that transfers engine energy for additional torque.% q" D% b* l& {4 Z
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机器不但要看马力,扭力也很重要。