A.dF≥0.02Lbp B.dF≥0.025Lbp C.dF≥0.012Lbp D.dF≥0.02Lbp+2
A.2.0~2.5 B.0.9~1.9 C.0.6~0.8 D.0.3~0.5
A.dM≥0.025Lbp B.dM≥0.02Lbp+2 C.dM≥0.012Lbp D.dM≥0.012Lbp+2