Terms for subject Rail transport containing pass

English	Chinese
by-pass piston	旁通阀活塞
by-pass piston ring	旁通阀活塞涨圈
by-pass valve cap	旁通阀盖
by-pass valve cover	旁通阀盖
by-pass valve rubber seat	旁通阀胶皮垫
by-pass valve rubber seat	旁通阀橡胶垫
by-pass valve spring	旁通阀弹簧
duty pass	公用乘车证
filter with without by-pass	有无旁通阀过滤器
let the front portion pass and retard the rear portion	放头拦尾
low-pass characteristics	低通特性
pass-by track	会让线