The height of the head of the American Standard, American Standard head parameters, American standard head technology http://www.hebftc4.com Phone 0317-8210122, mobile phone 13722724665 American Standard head volume, in cross-section XZ, a park heart Park diameter D O Yin. 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.