By means of mathematic analysis method, the design calculation problem of bellow expansion joint in two dimensions and three - dimensions pipe system were solved. American Expansion Joint Manufactory Association EJMA adopted the plane geometry method.
英
美
- 該文采用數學(xué)解析的方法,解決兩維和三維管系中波紋管膨脹節的設計計算問(wèn)題,美國膨脹節制造商協(xié)會(huì )標準(EJMA)采用的是平面幾何法。
