桁架拱拼装时,应设臵(),支承立柱的钢箱梁部位应增焊横隔板和加劲板。钢桁架拱跨中的高支架,应验算抗横向脉动风速的稳定,满足整体抗风稳定性要求。
参考答案:节点立柱
用括号内所给动词的适当形式填空。
1. Could you please _____ (take) out the trash?
2. Would you like _____ (go) shopping with me?
3. Would you mind _____ (clean) the living room?
4. Let's _____ (do) the dishes, shall we?
5. Shall we _____ (have) a picnic this afternoon?
以下不属于系统软件的是
A.DOS
B.Windows 3.2
C.Windows98
D.Excel