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ݹҵݱ2018һȹ繫˾ͳйɿ99.9812%ѹϸ99.999%оҵ涨еɿʲ99.90%ѹϸʲ96%ũɿʲ99.70%ѹϸʲ95%ڲǿ豸άȷȫаȫɿʹõõ¶עеŹԨ4254284Ⱥ
̨ÿѡٺ൱ѡ˶֮ǰлѡѡٹ̲һõѡ˾оݶṫȨѵҪ˾ѡ̨ܷ˾ЧʴŵȫȷҲൽ֪עһ˼ϸξֻĸкĻһͬµĻβĻĸ˭ලķڲϴ300һС·߽ȥ100һŵͰƽеһԼʮƽĿռںܼªˮϰһŴмһ·ë
Դ½ԡ̵ֻ̨ʵ˵ֻԵľݡܶDzԸϿʵȥ̬赭дķʽƭʱгͶͲƷΪմ˳2006ͶҵͶƽ˸ù˾֮ǰվӪϵȫ8000Ԫ2007ȫۺʸǴﵽ˾˵32.5%