避雷针与被保护设备的空气距离为 6 米，可完全避免绕击雷。（ ）（0.5）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id < 4494953 and id<>'4494953' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id > 4494953 and id<>'4494953' order by id asc limit 5