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现场刷漆的安全要求?

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在国家和有关部门颁发的一系列管道及其附件技术标准中,公称直径标准和()标准是两个最基本标准。

A. 公称直径
B. 公称压力
C. 技术、质量

our company has four DNS servers that run windows 2008. Each server has a static ip address. You need to prevent dhcp from assigning the addresses of the DNS servers to DHCP clients. What should you do?()

A. Create a new scope for the DNS servers.
B. Create a reservation for the DHCP serve.
Configure the 005 name servers scope option.
D. Configure an exclusion that contains the ip addresses of the four DNS servers.

φ133×4无缝管的公称直径为()mm。

A. 120
B. 125
C. 130

低温管道是指工作温度低于()℃的管道。

A. -16
B. -28
C. -40

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