normally engaged brake常闭: normal close制动器: brake; brakestaff; skid; sto ...关闭制动: arrest制动器: brake; brakestaff; skid; stopper; shoe; gripe; trigger; arrester; detent◇制动器闸瓦 brake(-holder) block安全制动器: safety brake下载手机词典可随时随地查词查翻译
