I first predicted the turn in 1997, in an innocent age when delivery was something that involved a van and when architect was a noun. 我最早预测这种转变是在1997年。那是一个纯真年代,送货使用的是箱式货车,建筑师还只是一个名词。
The methods for determining the lifting force and fulcrum positions of rear door in a delivery van are presented in this paper. 介绍了厢式载货汽车后门支撑举力值及支点位置的选择方法;
How to Determine Lifting Force and Fulcrums of Rear Door in A Delivery Van 厢式货车后门支撑举力值及各支点的确定