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leiguo201
V2EX member #105223, joined on 2015-03-18 09:06:30 +08:00
leiguo201
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leiguo201's recent replies
Mar 25, 2015
Replied to a topic by
supman
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求助 这是啥网线? 怎么有两根线?
@
nonozone
单根光纤的确实只有一根,但是里面有两种不同波长的光,常见的下行1550上行1310.
»
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