Bil-of-Material Product Structure Tree Bicycle(1) P/N1000 Handle Bars rame Assembly (1) 物料单( Material bills) PN1001 PN1002 Wheels(2) P/N1003 PN1004 模块单( modular bills) 规划单( planning bills) 规划单也被称为仿单( pseudo bills或配套元件数( kit number) 物料虚拟单( planto bills of materia)Bill-of-Material Product Structure Tree 规划单(planning bills) 模块单(modular bills) 规划单也被称为仿单(pseudo bills)或配套元件数(kit number) 物料虚拟单(plantom bills of material) 物料单(Material bills) Bicycle(1) P/N 1000 Handle Bars (1) P/N 1001 Frame Assembly (1) P/N 1002 Wheels (2) P/N 1003 Frame (1) P/N 1004