20X20X3 0.889 25X16X3 0.912 50X37X4.5 5.438 100X68X4.5 11.261 200×200×8×12 50.5 φ38×2 1.78 φ25 3.85 20X20X4 1.145 25X16X4 1.176 63X40X4.8 6.634 126X74X5.0 14.223 250×250×9×14 72.4 Φ80x2.5 4.7782 φ30 5.5 25X25X3 1.124 32X20X3 1.171 80X43X5.0 8.045 140X80X5.5 16.89 300×300×10×15 94.5 φ102×8 18.55 φ36 8 25X25X4 1.459 32X20X4 1.522 100X48X5.3 10.007 160X88X6.0 20.513 300×305×15×15 106 φ114×4 10.85 φ40