螺旋弹簧胀圈活塞环ring: vt. (rang rung ) 1.鸣,敲(钟),摇( ...coil spring: 螺形弹簧。 ring with coil-spring expander: 螺旋弹簧胀圈活塞环spring expander oil ring: 弹簧胀圈油环spring expander: 弹簧扩张器下载手机词典可随时随地查词查翻译