3 φ × × + 6 √ × × ) / / = / / = × 53 × 6 × 80 × 50 × 6 4 40 × 4 × 48 × 5 8 φ × Sc = 2 × × ( + - 4 ) × / 6 = Sj = ( - 6 - )( + - 4 ) × × / 10 6 = Sw = 2 ( 4 × + 2 ( + )) × / 6 = Sb = 2 ( + )( - ) / 6 = Sg = × × / 6 = S = + + + + = . 箱沿 0.75 1090 550 127.0 19.8 17.5 14.0 27 658.3 237.2 421.0 37.6 0.16 26.0 71 1220 20 0.55 10 1050 393.2 1756 6.8 58 5 66 33.6 3.66 0.558 波翅宽膨胀系数 86 ### 0.4496 更改标记 日期设计