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单词
safety extra-low voltage, SELV
释义
safety extra-low voltage, SELV
安全[特低]电压; 为防止触电事故而采用的由特定电源供电的电压系列。在任何情况下,在两导 体之间或任一导体与地之间这个电压系列的上限值均不得超过有效值50V (交 流50-500Hz)。
随便看
for the benefit of
for (the) benefit of
for the benefit of sb
for the best
for the better
for the bird
for the birds
for the blood of me
for the carrier
for the cause of
for the charge
for the children
for the common good
For the Common Safety
for the common weal
for the consignee
for the convenience of
for the day
for the deformation of metals
for the Doctor
for the domestic market
for the duration
for the duration of
for the end of
for the ends of
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更新时间：2026/7/19 7:34:16