运行中SF6气体年漏气率应为()

Freeti2019-12-17  11

问题 运行中SF6气体年漏气率应为()

选项 ≤0.5%/年$;$≤0.6%/年$;$≤0.7%/年$;$≤0.8%/年

答案A

解析
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