列内机架机面应平直,每米偏差不大于()mm,全列偏差不大于()mm。A.2,15 B 发布时间:2017-11-22 10:04 │ 来源:www.tikuol.com 题型:单项选择题 问题: 列内机架机面应平直,每米偏差不大于()mm,全列偏差不大于()mm。A.2,15B.3,15C.3,20D.2,20
题型:单项选择题 If they win the final tonight, the team are going to tour around the city _____ by their enthusiastic supporters. [ ]A. being cheered B. be cheered C. were cheered D. to be cheered 查看答案
题型:单项选择题 如图所示,放在水平地面的容器,侧壁上有一开口弯管,弯管内的液面高度h1=0.8cm;其顶部和底部的面积均为0.1m2,顶部到底部的高度h2=0.6m,容器中的液体密度为1.2×103kg/m3,则液体对容器顶部的压力为_________N.(g=10N/kg) 查看答案