[问题求助] 有谁知道镀镍导体的导电率是多少
P:2010-09-29 13:52:01
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corrugated aluminium sheath - 皱纹铝护套 (0) 投诉
P:2010-09-29 14:07:00
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镀镍铜导体么?应该跟镀锡铜导体差不多.
linear polyethylene - 线性聚乙烯 (0) 投诉
P:2010-09-29 16:18:20
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layer-stranded round core - 层绞圆线芯 (0) 投诉
P:2010-10-01 23:13:10
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查查标准或者电线电缆手册
single color identification - 单色标志 (0) 投诉
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