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[问题求助] k-20度电缆导体交流电阻与直流电阻之比

P:2008-08-21 10:43:17

1

k-20度电缆导体交流电阻与直流电阻之比

tangentialpayoff stand - 切线式放线架 (0) 投诉

P:2008-08-21 14:29:53

2

不太明白什么意思

TF - UL 规格 PVC 绝缘单芯灯具用线之一,使用电压 600V,温度 60℃,导体为单 股或 7 股,规格范围 AWG#18~AWG#16。 (0) 投诉

P:2008-08-21 16:53:19

3

<DIV class=xxxxAd><SCRIPT type=text/javascript></SCRIPT><SCRIPT src="http://pagead2.googlesyndication.com/pagead/show_ads.js" type=text/javascript></SCRIPT><IFRAME name=google_ads_frame marginWidth=0 marginHeight=0 src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5245470700607411&dt=1219308892906&lmt=1219308892&prev_slotnames=9908240416%2C3492416009&output=html&slotname=8810507802&correlator=1219308892687&url=http%3A%2F%2Fwww.dxdlw.com%2FShowPost.asp%3FThreadID%3D36010&ref=http%3A%2F%2Fwww.dxdlw.com%2FShowBBS.asp%3FPageIndex%3D2%26&frm=0&cc=95&ga_vid=1994468410584757000.1219308893&ga_sid=1219308893&ga_hid=2114495203&flash=9.0.124.0&u_h=864&u_w=1152&u_ah=834&u_aw=1152&u_cd=32&u_tz=480&u_java=true" frameBorder=0 width=200 scrolling=no height=200 allowTransparency></IFRAME></DIV>不太明白什么意思

polypyrrole - 聚吡咯 (0) 投诉

P:2008-08-22 09:19:19

4

电缆导体在工频下的交流电电阻与直流电阻之比

MWD - molecular weight distribution分子量分布 (0) 投诉

4


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