Helical bevel gears have an infinite life, and are 50 % more efficient than single worm gears.
螺旋锥齿轮有无限的使用寿命, 而且比单蜗轮齿轮50%以上的效率.
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Helical bevel gears have infinite life, and are 50 % more efficient than single worm gears.
螺旋锥齿轮有无限的使用寿命, 而且比单蜗轮齿轮要高出50%以上的效率.
互联网