ansi 9standards0 code issues - what does the j in thd

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huangyhg

发表于 2009-9-5 18:04:16 | 显示全部楼层 |阅读模式

ansi what does the "j" in thd
1.125-18 unjef-3b is the thd call out, does anyone know what the "j" stands for.
thanks bodie
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