A.0.15 B.0.20 C.0.30 D.0.60
A.0.6~1.2m B.0.5~1.0m C.0.4~1.2m D.0.3~1.5m
A.(30%~40%)DW B.(15%~20%)ΔS C.(15%~20%)DW D.(30%~40%)ΔS