自动喷水系统系统当管道公称直径为100mm时,管道支架或吊架之间的距离不应大于m。
A.6.5
B.7
C.8
D.9.5
参考答案:A
《中华人民共和国水法》适用于在中华人民共和国领域内开发、()、保护、管理水资源,防治水害。
A.利用
B.节约
C.建立
D.加工
You want to use the Web to let Eternal users or your customers look at corporate information. But you want to keep installation at the user end (66) and you don’t want just anyone to get (67) your databases.
That may be where an application server enters the picture. For more user machine independent, these t software packages, typically written in the (68) programming language.
for use on Windows NT-based systems, act as go-betweens linking browser-equipped end users to the databases that (69) the information they need to (70) 。
(67)处填()。
A.into
B.off
C.onto
D.out