泵传动齿轮箱部件
pump drive gearbox component
小齿轮传动超越离合器
pinion drive overrunning clutch
双圆弧弧齿锥齿轮传动
Double circular arc profile bevel gears
双圆弧齿轮传动
Double arc gear transmission
double circular arc gears transmission
输入传动齿轮组件
input transfer gear group
全密封齿轮齿条传动机构
canned rack and pinion drive
全齿轮减速传动
full gear decelerate drive