A.*.dwg、*.dwtB.*.dwg、*.dxfC.*.dwt、*.dwsD.*.dxf、*.dwt
A.m和0.0 B.cm和0.00 C.英寸和0.000 D.mm和0.0000
A.空格鍵、Enter鍵 B.End鍵、空格鍵 C.Esc鍵、Enter鍵 D.End鍵、Esc鍵