储氢罐周围()处应设围栏。A.10m; B.12m; C.14m; D.16m。 发布时间:2020-02-09 22:08 │ 来源:www.tikuol.com 题型:单项选择题 问题: 储氢罐周围()处应设围栏。A.10m;B.12m;C.14m;D.16m。
题型:单项选择题 为全面推进党的建设新的伟大工程,为实现全面建设小康社会的宏伟目标,必须把贯彻落实科学发展观提高到新的水平。科学发展观的核心是A.解放思想B.以人为本C.统筹兼顾D.可持续发展 查看答案
题型:单项选择题 Yesterday when we left, they _____ a meeting. [ ]A. have B. had C. are having D. were having 查看答案
题型:单项选择题 某对称工字形截面如图16-17所示,,计算长度lo=5.5m,as=a's=50mm,混凝土强度等级为C30,fc=15N/mm2,采用HRB335级钢筋,fy=310N/mm2,承受轴向压力设计值N=300kN,弯矩设计值M=200kN*m。对称配筋的截面面积As=A's=()mm2。A.1035.6B.913.1C.871.6D.803.5 查看答案