[铁路] 踏脚板 foot pedal: 脚蹬; 脚踏开关; 踏板开关; 踏步板; 踏脚板pedal valve: 脚踏阀foot brake pedal: 脚制动踏板foot lever (pedal lever): 踏杆foot pedal control: 脚蹬操纵下载手机词典可随时随地查词查翻译