再深点灬舒服灬受不了了视频_被男同桌扯乳罩捏胸玩乳漫画_双腿张开被5个男人调教电影_爽?好舒服?快?深点av

[Non-standard gear custom] Structural Analysis
1, tooth
Short teeth, one for each raised portion is engaged with the gear, these raised portions generally radially arranged contact between mating gear teeth on the gear can operate in constant engagement
2, alveolar
Customized non-standard gear on the space between two adjacent teeth; end surface is cylindrical gears or cylindrical worm gear or a plane perpendicular to the axis of the worm
3, the end face
It is flat at both ends of the gear
4, face Law
It refers to a plane perpendicular to the non-standard gear custom gear tooth line
5, addendum circle
It refers scalloped top location
6, root circle
Refers to the circle where the bottom
7, the base circle
Forming involute occurred lines for pure rolling circle
8, the pitch circle
It is calculated in the end face of the gear geometry reference circle

Links: large modulus helical gear pump http://m.9313493134.com/products-detail.asp?cpid=344
Links: Sewage drive gear http://m.9313493134.com/products-detail.asp?cpid=362