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double-helical gear
meaning in English
大字齿轮
人字齿轮
人字螺旋齿轮
人字正齿轮
Related Words
helical cutting
helical tiller
helical lampl
helical band
double helical
helical motio
helical manometer
helical conformation
helical twist
helical antenna
double-helical
double-helical double-reduction unit
double-helical gearbox
double-helix
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