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小小少
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樓主  發(fā)表于: 2012-05-03 22:23
熱繼電器上的A1和A2是什么？線(xiàn)圈么？
jacoliang
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1樓  發(fā)表于: 2012-05-04 09:40
引用
引用第3樓linglong于2012-05-04 09:37發(fā)表的  :
施耐德接觸器上有標A1 A2,是線(xiàn)圈

人家說(shuō)的是熱繼電器

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