A.15:3 B.15:4 C.15:5 D.15:6
A.B/6+2.5 B.B/6+2 C.B/6+1.5 D.B/6+3
A.制圖規(guī)格 B.1/2衣長(zhǎng) C.1/2衣長(zhǎng)+2cm