147.请说明电缆接续的注意事项？
["\u7b54\uff1a\u7535\u7f06\u63a5\u7eed\u91c7\u7528\u5730\u4e0b\u63a5\u7eed\u65b9\u5f0f\uff0c\u7531\u5177\u6709\u7535\u7f06\u63a5\u7eed\u4e0a\u5c97\u8bc1\u548c\u6709\u7ecf\u9a8c\u8005\u6309\u89c4\u5b9a\u4f5c\u4e1a\u7a0b\u5e8f\u64cd\u4f5c\u3002\u82af\u7ebf\u5e94 \u710a\u63a5\uff0c\u4f7f\u7528\u677e\u9999\u710a\u5242\uff0c\u4e0d\u5f97\u4f7f\u7528\u710a\u9521\u818f\u7b49\u8150\u8680\u6027\u710a\u5242\uff1b\u82af\u7ebf\u710a\u63a5\u540e\u4f7f\u7528\u70ed\u7f29\u7ba1\u9010\u6761\u70ed\u7f29\uff0c\u70ed\u7f29\u7ba1\u5e94\u91c7\u7528\u5185\u90e8\u5e26 \u80f6\u7684\u539a\u58c1\u6750\u6599\uff1b\u7535\u7f06\u5185\u5c4f\u853d\u3001\u94dd\u62a4\u5957\u5e94\u5206\u522b\u53ef\u9760\u8fde\u63a5\uff1b\u7535\u7f06\u5916\u62a4\u5957\u91c7\u7528\u51b7\u63a5\u7eed\u65b9\u5f0f\u3002\u7535\u7f06\u7684\u5730\u4e0b\u63a5\u5934\u5e94\u6c34\u5e73\u653e \u7f6e\uff0c\u5907\u7528\u91cf\u957f\u5ea6\u4e0d\u5c11\u4e8e2m\uff0c\u6309\u201c\u03a9\u201d\u5b57\u5f62\u5e73\u653e\u57cb\u8bbe\uff0c\u63a5\u5934\u4e24\u7aef300mm\u5185\u4e0d\u5f97\u5f2f\u66f2\uff0c\u5e76\u5e94\u8bbe\u7ebf\u69fd\u9632\u62a4\uff0c\u5176\u957f\u5ea6\u4e0d \u5c11\u4e8e1m\u3002"]