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中国门窗星级标准缔造者

发布时间:2018-09-23 17:49:50
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shorttimedelayinversetimecharacteristicwithfuse,havegoodabilityofcurrentlimitandtimedelayfunction,canmeettherequirementsofpowersystemimportantloadcircuitselectiveprotectiondon'trelyonelectroniccircuitshortcircuittheshorttimedelayfunction,thereliabilityofthedelayandprotectionincreasedsubprotectiveproperties___line