Prosperity Spinning Head Factory, Mengcun Spinning Head Factory, Hebei spinning the head plant http://www.hebftc5.com/ Phone 0317-8210122, Mobile 13722724665 Spinning Head volume in cross-section XZ within i.e. a circle center O Yin diameter D Park. Spherical tanks can be seen as 00 dead and a 00 Yin chord, D: D, it is a two (million) a bamboo ") Dh a h v ball = j: (dh Hz) dhDh axis of rotation of the rotation body (see Figure 1) (in the liquid, take a small liquid column (bit) dl-Bu Zi driven at: the axis perpendicular to the sectional view is a as a, a semi-O. Therefore, the liquid column dh corresponding volume dy; _IDh two Wu h [one hundred eleven l the that V ball of Hz (D-21) Sichuan-style.