Different safety standards have different requirements for the clearance and creepage distance of th

中文解释

摘要不同的安全标准对电气间隙和爬电距离有不同要求，其限值的求法和结果不尽相同。

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laurite amphibole 逮捕了 parasitemia spherical geometry explode into suffer damage choose appropriately speak with sb in private fair trade