线路绕击率与杆塔高度及线路通过地区的地形地貌有关，与保护角无关，山 区线路的绕击率约为平原的2倍。(    )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69526' and id < 4504720 and id<>'4504720' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69526' and id > 4504720 and id<>'4504720' order by id asc limit 5