1.
straight-cut gear
直齿圆柱齿轮，正齿齿轮
2.
To put a crown on(a tooth).
镶齿冠为（牙齿）镶齿冠
3.
spur and helical hobbing machine
正齿轮和斜齿轮滚齿机
4.
straight and conical gear shaper
直齿-锥齿轮刨齿机
5.
burnishing of gear teeth
(齿轮的) 轮齿研磨
6.
increment angle
(圆锥齿轮)齿端角
7.
Basic tooth profile of straight and skew bevel gears
GB/T12369-1990直齿及斜齿锥齿轮基本齿廓
8.
curve-tooth bevel gear
弧齿伞齿轮，曲线齿锥齿轮
9.
A small cogwheel that engages or is engaged by a larger cogwheel or a rack.
小齿轮，齿杆啮合大齿轮或被大齿轮或齿条啮合的小齿轮
10.
put a crown on (a tooth)
(在牙齿上)装一个假齿冠
11.
semi-automatic bevel gear lapper
半自动锥齿轮研齿机
12.
twin-input single-output gear
双主动齿轮单出轴齿轮
13.
ckyclindrical gears and gear pairs
圆程齿轮和圆柱齿轮副
14.
small module taper shafted straight tooth slotting cutter
小模数锥柄插齿直齿刀
15.
gear pin diameter and effective facewidth
针齿直径和有效齿宽
16.
spur type planetary reducer
正齿式行星减速齿轮
17.
spur type planetary gearing
正齿式行星齿轮装置
18.
NC sector gear shaper
数控扇形齿轮插齿机