何谓电空接触器？
["\u7535\u7a7a\u63a5\u89e6\u5668\u662f\u4ee5\u7535\u7a7a\u9600\u63a7\u5236\u538b\u7f29\u7a7a\u6c14\uff0c\u7528\u538b\u7f29\u7a7a\u6c14\u4f5c\u4f20\u52a8\u52a8\u529b\uff0c\u8fdb\u884c\u8fdc\u8ddd\u79bb\u63a7\u5236\u9ad8\u7535\u538b\u3001\u5927\u7535\u6d41\u8d1f\u8f7d\u7684\u63a5\u901a\u6216\u65ad\u5f00\u7684\u4e00\u79cd\u63a5\u89e6\u5668\u3002"]