精品人妻一区二区,h片在线,被黑人掹躁10次高潮,香蕉在线视频99

Press the small modulus gear custom meshing theory can be divided into:
Involute gear, including timing equipment with involute gear.
Cycloidal gear, including a variety of modified cycloid gear. According to the mutual position of the drive shaft can be divided into:
Parallel shaft gears, including spur gears, helical gears, straight teeth rack, helical rack gear and the like.
Intersecting axis gear, including straight teeth, gear and other arc.
Cross shaft gear, including helical gear and worm gear and the like.
Press the small modulus gear custom applications can be divided:
Indexing indication of transmission gear.
Timing control mechanism with the drive gear.
Servo drive gear.
Adjustment correction mechanism drive gear.

Links: oil pump gear http://m.zysxjgy.com/products-detail.asp?cpid=380
Links: precision gear grinding machining http://m.zysxjgy.com/products-detail.asp?cpid=342