招标采购单位应当制作纸质招标文件,也可以在财政部门指定的网络媒体上发布电子招标文件,并应当保持两者的一致。()
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试压一般在()下进行。
A. 常温
B. 低温
C. 高温
An etwork administrator has enabled OSPF across an NBMA network and has issued the command ip ospf network nonbroadcast. Given those facts, which two statements are true?()
A. Interfaces will automatically detect and build adjacencies with neighbor routers
B. DR and BDR elections will not occur
C. DR and BDR elections will occur
D. The neighbor command is required to build adjacencies
E. All routers must be configured in a fully meshed topology with all other router
常见的级进模送料定距方式有()。
A. 侧刃定距或导正销定距
B. 废料切刀与挡板定距
C. 导柱导套定距
D. 以上都可以
冲裁条料排样图中不应标注的尺寸()。
A. 条料长度和宽度
B. 板料厚度
C. 步距、端距
D. 冲裁件尺寸精度