A.116 B.484 C.2408 D.2904 E.2420
A.R=2(tR1-tR2)/(W1-W2) B.R=2(tR1+tR2)/(W1-W2) C.R=2(tR1-tR2)/(W1+W2) D.R=(tR2-tR1)/2(W1+W2) E.R=2(tR2-tR1)/(W1+W2)
A.0.00~2.00范圍 B.0.3~1.0范圍 C.0.2~0.8范圍 D.0.1~1.0范圍 E.0.3~0.7范圍