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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.
youdao
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蜗轮蜗杆传动，长寿命轴套，机器经久耐用。
Worm gear drive, long-life sleeve, the machine durable.
youdao
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蜗轮蜗杆传动，长寿命轴套，机器经久耐用。
Worm gear drive, long-life sleeve, the machine durable.
youdao