[機] 緩沖彈簧 buffer spring: 緩沖彈簧; 緩沖故障; 緩沖器彈簧spring buffer: 彈簧緩沖器; 彈簧綬沖器buffer return spring: 緩沖器復位彈簧buffer ring spring: 緩沖彈簧buffer spring case: 緩沖彈簧箱下載手機詞典可隨時隨地查詞查翻譯