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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)。
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female flange
female flower
female friction cone
female friend
female-friendly
female gamate
female gamete
female gametic nucleus
female gametocyte
female gametophyte
female gauge
female geese
female generation
Female genital
Female genital atresia
female genital cutting
female genital disease
female genital diseases
female genital diseases and pregnancy complications
Female Genital Effect
Female Genital Effects
Female genital fluids
female genitalia
female genitalias
Female genital leukoplakia
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更新时间:2026/5/21 3:19:01