传统真空干燥方式,是以空气为载热介质,在大气压下,将变压器器身或绕组逐步预热到()℃ 发布时间:2017-11-13 18:32 │ 来源:www.tikuol.com 题型:填空题 问题: 传统真空干燥方式,是以空气为载热介质,在大气压下,将变压器器身或绕组逐步预热到()℃左右,才开始抽真空,继续处理。
题型:填空题 The little girl looked at the huge statue with a puzzled look, wondering why the color of it was not _____ with its background. [ ]A. common B. similar C. same D. consistent 查看答案
题型:填空题 从“订单”表中删除签订日期为 2004 年 1 月 10 日之前(含)的订单记录,正确的 SQL语句是______。A.DROP FROM 订单 WHERE 签订日期<={^2004-l-10} B.DROP FROM 订单 FOR 签订日期<={^2004-l-l0} C.DELETE FROM 订单 WHERE 签订日期<={^2004-1-10} D.DELETE FROM 订单 FOR 签订日期<={^2004-l-10} 查看答案