Common tests methods for insulating and sheathing materials of electric and optical cables - Part 1-2: Methods for general application; Thermal ageing methods; Amendment 2是什么意思_Common tests methods for insulating and sheathing materials of electric and optical cables - Part 1-2: Methods for general application; Thermal ageing methods; Amendment 2在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句