我最近在看一本關于工程制圖的書,里面是這樣說的:(外文的) , x7 V& k# F% R1:Senior drafters(designers) use the preliminary imformation provided by engineers and architects to prepare design "layouts" (drawings made to scale of the object to be built). - F# X C. d. L2etailers(junior drafters) make drawings of esch part shown on the layout, giving dimensions,material,and any other information necessary to make the detailed drawing clear and complete.