组合电器运行中SF6气体年漏气率≤()。0.2%/年$;$0.3%/年$;$0.

练习题库2022-08-02  26

问题 组合电器运行中SF6气体年漏气率≤()。0.2%/年$;$0.3%/年$;$0.5%/年$;$0.7%/年

选项 0.2%/年$;$0.3%/年$;$0.5%/年$;$0.7%/年

答案 C

解析
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