针织女式裙子(成分含量:蚕丝50%;粘胶长丝50%) 发布时间:2018-05-03 09:20 │ 来源:www.tikuol.com 题型:填空题 问题: 针织女式裙子(成分含量:蚕丝50%;粘胶长丝50%)
题型:填空题 Tom was so angry with Bob that he hit _____. A.Bob in the headB.Bob's head C.Bob on the head D.on Bob's head 查看答案
题型:填空题 利用文丘里管喉部的负压抽取基坑中的积水,如图所示,若喉部流速v1=10m/s,出口速度v2=1m/s,不计损失,吸水高度h最多为()A.4.5mH2OB.6.05mH2OC.5.05mH2OD.5.82mH2O 查看答案