新技术确实带来了意想不到的副面影响。
New technologies do indeed come with unexpected side effects.
蜗杆与蜗轮均为硬齿面，适于动力传动的新型环面蜗轮副。
Such a new type of hourglass worm pair is particularly-favorable for power transmission.
齿面修形是提高齿轮副啮合性能的重要手段。
The modification of gear is a principal method for improving performance of meshing.
齿面修形是提高齿轮副啮合性能的重要手段。
The modification of gear is a principal method for improving performance meshing.
齿面修形是提高齿轮副啮合性能的重要手段。
The modification of gear is a principal method for improving performance meshing.
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