数字万用表在使用过程中,最左位显()则说明量程不够,应选大一些量程。 ["A.0 ","B.-1 ","C.1 ","D.2"]
预应力构件的预埋螺栓的中心线位置偏移的允许偏差为()mm. ["20","15","10","5"]
在节点式网络图中,用箭线表示() ["节点","事件","活动","活动之间的关系"]
以下孟浩然诗句中,运用了典故的是() ["建德非吾土,淮扬忆旧游","坐观垂钓者,徒有羡鱼情","开轩面场圃,把酒话桑麻"]
汉帝国与哪一年发动对南越的大规模远征() ["10.0","11.0","12.0","13.0"]
简述民事搜查的概念和条件。