[鐵路] 均衡彈簧桿 equalizer spring: 補償彈簧; 均衡梁彈簧equalizer spring cap: 均衡彈簧蓋alarm handsetting stem spring: 鬧撥針柄簧handsetting stem friction spring: 柄軸摩擦簧retarding spring stem: 減速彈簧桿下載手機詞典可隨時隨地查詞查翻譯