楼主: jacklong
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RS-232、RS-422与RS-485标准及应用 |
发表于 2004-9-18 02:00:27
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re:还缺表一,希望尽快补上。 ...
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发表于 2004-9-25 17:16:25
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re:极品呀,就是太专业,能否将相联的单工\双...
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路漫漫,吾将上下而求索!探索安防销售模式,欢迎登陆个人博客:http://blog.163.com/ku369@126/
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发表于 2004-10-28 22:28:36
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re:very good !
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发表于 2004-11-17 00:20:35
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贴。。。是好贴
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