法兰盘
对各种板材进行焊接时，对焊条有何要求？
The mere inclusion of an arbitration clause in a bill of lading to which the Hague Rules apply as a matter of contract does not deprive the carrier（）the one year time limit. ["by","to","of","off"]
A8010 Expert支持的协议，下面说法错误的是（）。 ["NAS业务，多链路捆绑使用MP协议","用户验证使用RADIUS协议","IPP业务使用MGCP协议","VPN业务，支持L2TP协议"]
在Windows XP中，“新建文件夹”命令在（）的下拉菜单中。 ["文件菜单","编辑菜单","查看菜单","工具菜单"]
数据网
