距离保护有哪些闭锁装置?
["\u8ddd\u79bb\u4fdd\u62a4\u7684\u95ed\u9501\u88c5\u7f6e\u6709\u7535\u538b\u65ad\u7ebf\u95ed\u9501\u88c5\u7f6e\uff0c\u632f\u8361\u95ed\u9501\u88c5\u7f6e\u3002"]