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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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toxicity threshold
toxicity unit
toxic jaundice
toxic labyrinthitis
toxic lachrymator
toxic lesion
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toxic leukocytosis
toxic level
toxic limit
toxic limit medium dose
toxic limits
toxic liquid
Toxic maculopathy
toxic material
toxic, material
toxic materials
toxic materials derived from evil heat in the blood
toxic measles
Toxic Megacolon
toxic mental disorders
toxic metabolite
toxic metal
Toxic methemoglobinuria
toxic methomoglobinemia
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更新时间:2026/5/24 22:15:20