中文说明：大庆油田采油厂光传输网络建设思路_刘玉玲
English Description：
Construction of optical transmission network in Daqing oilfield oil production plant_ Liu Yuling
Construction of optical transmission network in Daqing oilfield oil production plant_ Liu Yuling
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中文说明：大庆油田采油厂光传输网络建设思路_刘玉玲
English Description：
Construction of optical transmission network in Daqing oilfield oil production plant_ Liu Yuling大庆油田采油厂光传输网络建设思路_刘玉玲.pdf