并列式双腔气制动阀
parallel dual-chamber air brake valve
串列式双腔气制动阀
series dual -chamber air brake valve
单腔气制动阀
single-chamber air brake valve
辅助制动阀杠杆
secondary brake valve lever
辅助制动阀滑阀
secondary brake valve spool
辅助制动阀旁通道
secondary brake valve bypass
加速制动阀部
accelerated application valve portion
脚动控制调节制动阀
foot actuated modulating brake valve
脚控制动阀
foot operated brake valve