A.1號或2號圖紙 B.0號或1號圖紙 C.0號或2號圖紙 D.1號圖紙
A.DcB.DgC.DhD.Dd
A.15-30m·s-1 B.0.5-2m·s-1 C.0.5-3m·s-1 D.10-30m·s-1