A.6 B.10 C.15 D.25
A.60% B.80% C.100% D.110%
A.TT B.TN-C C.TN-C-S D.TN-S
A.0.2~0.4 B.0.4~0.6 C.0.6~0.8 D.0.8~1
A.0.8~1 B.1~2 C.13-1.8 D.2
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