同向捻钢丝绳的特点是什么？
As an experienced technician， you are responsible for Technical Support. One of the trainees isasking your advice on VPN Termination Device and Firewall Placement. Which of the following approaches will you recommend？（） [" inline with a firewall"," in a DMZ outside the firewall"," parallel with a firewall"," in a DMZ behind the firewall"]
简述教育法遵守。
社会主义的本质要求是（）。 ["富强","公正","创新","自由"]
用体积管检定流量计，（）系统应至少装一个温度计 ["检定","检测","转换","测量"]
门阀
