ljh809809 发表于 2015-10-23 14:25

IEC 60884-1:2002+A1:2006 clause 22 的疑问

本帖最后由 ljh809809 于 2015-10-23 16:17 编辑

22 For the purpose of thistest, resilient earthing contacts, irrespective of the number, areconsidered as one pole, andnon-resilient earthing contacts, irrespective of the number, areconsiderednot to be a pole.
问题1: 这句如何理解?可以举例吗?



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