绝缘材料吸潮后致使绝缘材料的()增大,导致强度降低,有关性能遭到破坏。 A.介电常数 发布时间:2018-02-21 10:20 │ 来源:www.tikuol.com 题型:多项选择题 问题: 绝缘材料吸潮后致使绝缘材料的()增大,导致强度降低,有关性能遭到破坏。A.介电常数B.导电损耗C.介质损失角的正切tgδD.机械强度
题型:多项选择题 钢管成品检验过程中,如果缺陷不能准确判定,则(),同时报请检查站领导,如需评审,则填写报告单。A、做出明显标识,不需单独堆放B、作出明显标识,单独堆放C、做好书面记录,不用做标识D、转交给相关工序自己判断处理 查看答案
题型:多项选择题 What is said about the research paper A.The paper came out as short as I expected.B.Actually the paper was long enough to cover it.C.The paper was short enough to present.D.The paper turned out better than I had expected. 查看答案