基础施工钻孔
参考答案：为灌注混凝土桩或管桩所钻的大口径钻孔。
It is now popular area of the Internet. The universe of hypertext servers that allow text, graphics, sound, and other multimedia files to be viewed together and navigated via hypertext links. It is ( ).
A．Telnet
B．WWW
C．E—mail
D．FTP
新村主义
