运行中组合电器SF6气体年漏气率应≤()

天天题库2019-12-17 22

问题运行中组合电器SF6气体年漏气率应≤()

选项 0.5%/年$; $0.3%/年$; $0.4%/年$; $0.2%/年

答案A

解析

转载请注明原文地址:https://ti.zuoweng.com/ti/dtf9KKKQ

相关试题推荐

随机试题