roof net construction 屋顶网架结构
campus net construction 校园网建设
highway net construction 公路网建设
electric net construction 电网建设
Pre-stress must be inflicted during the cable net construction.
索网在建设时必须施加预应力。
The telecommunication and information net construction is developing fast.
通讯事业和信息网络建设迅猛发展。
How to determine the its type and check its equipment are also introduced in order to direct the net construction in country.
具体介绍了光缆波长、段长、光纤芯数、光纤类别如何确定与光设备如何选择,以指导乡镇网络建设。
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