cut-out spring

英语... ... cushion hitch spring 拖车减震弹簧 cut-out spring 断路弹簧 cut-out relay armature spring 断流继电器电转子弹簧 ...

什么意思_英语spring_out在线翻译... ... Top-out Spring 小弹簧 cut-out spring 分开弹簧 out piece spring screw 压簧螺钉 ...