交错齿人字齿轮
staggered-tooth double-helical gear
人字齿轮刨床
double helical gear planer
自动人字齿轮刨床
automatic herringbone gear planer
直齿锥齿轮刨齿机
straight bevel gear generator
直齿-锥齿轮刨齿机
straight and conical gear shaper
主汽轮机齿轮机组
main steam turbine gear unit
锥齿轮刨齿机
spur bevel gear generator
封闭式人字齿轮行星传动
encased differential herringbone gear train
人字齿轮
chevron gear
herringbone gear
herringbone wheel
Chevron
double helical gear
herring-bone gear
double helical gear (herring-bone gear
double-helical gear
as-sb-ge
double helical gears
hyperboloidal gear
人字齿轮装置
herringbone gear installation
齿轮轮齿接触印痕
gear tooth contact pattern