外徑*內(nèi)徑*長(zhǎng)度D*d*L單價(jià) 定數(shù) aP1 F=L*40%P2=L*45%P3=L*50%密著長(zhǎng) 壓縮量 負(fù)荷 壓縮量 負(fù)荷 壓縮量 負(fù)荷 TF 10*5*20 2.89.819.0878.5988.31098252.87.8511.31011.212.5302.96.5713.51213.5153535.5915.81415.717.5403.44.918.0161820453.74.3120.31820.222.5503.93.9222.52022.525554.33.5324.82224.727.5604.53.2427242730654.83.0429.32629.232.5705.22.8431.52831.535755.42.6533.83033.737.5805.82.45363236409062.1840.53640.5451006.91.9645404550