当单层厂房的跨度>18m时,其跨度尺寸应取扩大模数()数列。 A.12M B.15M 发布时间:2017-09-07 10:25 │ 来源:www.tikuol.com 题型:单项选择题 问题: 当单层厂房的跨度>18m时,其跨度尺寸应取扩大模数()数列。A.12MB.15MC.30MD.60M
题型:单项选择题 It is useful to science()the earth as an object in space.A.to considerB.which considersC.considersD.the consideration of 查看答案