机械力加载设备中下列哪一种加载设备常用于结构的持久荷载试验()A. 卷扬机 B. 吊链 C. 螺旋 机械力加载设备中下列哪一种加载设备常用于结构的持久荷载试验()A 卷扬机B 吊链C 螺旋千斤顶D 弹簧 答案解析
结构试验中 钢结构的荷载持续时间一般不少于()A. 5min B. 10min C. 15min D. 30min 结构试验中,钢结构的荷载持续时间一般不少于()A 5minB 10minC 15minD 30min 答案解析
对象是实际结构(实物)或者是实际的结构构件的试验称为()A. 模型试验 B. 缩尺试验 C. 原型试 对象是实际结构(实物)或者是实际的结构构件的试验称为()A 模型试验B 缩尺试验C 原型试验D 足尺试验 答案解析
After considering carefully my plan has gradually come to ________.A maturityB sensibi After considering carefully, my plan has gradually come to ________ A maturityB sensibilityC justificationD awareness 答案解析
These sessions are designed to ________ better working relationships.A fosterB enactC r These sessions are designed to ________ better working relationships A fosterB enactC reviseD implement 答案解析