check rail device for simple underground track points; 50 m radius, 1 : 7 inclination, 600 mm gauge 簡易的地下礦道交叉點(diǎn)的道軌試驗(yàn)裝置.半徑50m.斜度1
check rail device for simple underground track points; 20 m radius, 1 : 5 inclination, 600 mm gauge 簡易的地下礦道交叉點(diǎn)的道軌試驗(yàn)裝置.半徑20m,斜度1
check rail device for simple underground track points; 30 m radius, 1 : 6 inclination, 600 mm gauge 簡易的地下礦道交叉點(diǎn)的道軌試驗(yàn)裝置.半徑30m.斜度1
railway applications-track-performance requirements for fastening systems-special fastening systems for switches and crossing and check rails 鐵路設(shè)施.軌道.緊固系統(tǒng)的性能要求.道岔岔道和護(hù)軌用特殊緊固系統(tǒng)