砂泵压力管道大于（）米水柱时，可在各个砂泵出口压力管道上设置逆止阀。 发布时间：2017-09-17 15:19 │ 来源：www.tikuol.com 题型：填空题 问题： 砂泵压力管道大于（）米水柱时，可在各个砂泵出口压力管道上设置逆止阀。
题型：填空题 短文改错。 下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。 增加：在缺词处加一个漏字符号(/\)，并在其下面写出该加的词。 删除：把多余的词用斜线(\)划掉。 修改：在错的词下划一横线，并在该词下面写出修改后的词。 注意：1. 每处错误及其修改均仅限一词； 2. 只允许修改10处，多者(从第11处起)不计分。 Today we had the honor of invite Professor Hudson, a foreign teacher from Beijing University, to give us an English lesson. All of us were deeply impressing by this unforgettable English lesson. Theprofessor began the class in a amusing English story, which attracted our attention at once. He spoke slowly and clearly so that we could follow him well. Great inspired, most of us took an active part inclassroom activities. After class, many students being interviewed spoke highly of him. They said neverbefore they experienced such interesting a class. From his lesson, we came to a conclusion what it is not so difficult to learn English whether we find a good way. _______________________________________________________________________________ 查看答案
题型：填空题 经处理后的地基，当按地基承载力确定基础底面积及埋深时，需要对《建筑地基处理技术规范》(JGJ79-2002)确定的地基承载力特征值进行修正时，其基础宽度和埋深的地基承载力修正系数ηb和ηd分别取为( )。A．ηb=0、ηd=1.0B．ηb=0、ηd=1.1C．ηb=0、ηd=1.2D．ηb=0.3、ηd=1.6 查看答案
题型：填空题 根据政府采购法规规定，供应商对采购文件进行质疑，应当在知道或者应知其权益受到损害之日起在法定日内向采购人提出。其中，知其权益受到损害之日，是指：（）A、采购文件公告开始之日B、收到采购文件之日C、采购文件公告期间D、采购文件生效之日 查看答案