成套接地线应用有透明护套的多股软铜线组成,其截面不得小于( )mm2,同时应满足装设地点短路电流的要求。
发布时间:2026-01-24
A.10
B.16
C.20
D.25
试卷相关题目
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id < 4500741 and id<>'4500741' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id > 4500741 and id<>'4500741' order by id asc limit 5
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