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longyaner521 发表于 2015-3-9 11:17 nw型双联齿轮在制造时对刀是个难点!
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chenmiaooo 发表于 2020-10-13 10:25 单从精度来说,NW的加工精度和装配精度要求要比NGW的高出不少,总体成本虽然NW的外形偏小但由于外齿轮的原 ...
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