彈簧式減速器[緩行器] retarder spring: 阻滯彈簧loaded spring: 載荷簧spring loaded: 春季加載的; 彈簧加壓的; 受載彈簧spring type retarder: 彈簧式緩行器automatic spring loaded valve: 自動(dòng)彈簧閥下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯