海量資源,盡在掌握
 表1-11滾動摩擦系數(shù)(大約值)摩擦材料滾動摩擦系數(shù)kcm摩擦材料滾動摩擦系數(shù)kcm軟鋼與軟鋼淬過火的鋼與淬過火的鋼0.0050.001木材與木材表面淬火車輪與鋼軌:0.05~0.08鑄鐵與鑄鐵鋼與木材0.0050.03~0.04圓錐形車輪圓柱形車輪0.08~0.100.0 (共 143 字) [閱讀本文] >>