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multi-functional standard source
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multi-functional standard source
Encyclopedia
工学
交流电量计量
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multi-functional standard source
多功能标准源
测量电量指示仪表的电测量仪器。具备交流电压、交流电流、直流电压和直流电流输出功能,同时可带有温度、阻抗测量及高频选件等功能。
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pollution by arsenic
pollution by asbestos
pollution by beryllium
pollution by boron
pollution by cadmium
pollution by carbon oxides
pollution by chromium
pollution by cobalt
pollution by copper
pollution by cyanide
pollution by fluorine
pollution by food additives
pollution by iron
pollution by lead
Pollution by Manganese
pollution by mercury
pollution by molybdenum
pollution by nickel
pollution by nitrogen oxides
pollution by organochlorine pesticides
pollution by organonitrogen pesticides
pollution by organophosphorus pesticides
pollution by particulates
pollution by pesticides
pollution by pharmaceuticals and personal care products, PPCPs
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更新时间:2026/11/7 2:38:58