Terms for subject Rail transport containing normal

English	Chinese
normal brake application	常用制动
normal feeding condition	正常馈电条件
normal gauge	标准轨距
normal operation	正向运行
normal service application	常用制动
normal shock wave relation	正激波关系式
normal size	公称粒径
normal speed yard	普速车场
normal switch position indication	道岔定位表示
rolling at normal speed	定速溜放
wheel-rail normal force	轮轨法向力