KTC colour shows product line overall product already all passed 3C attestation, city place has KTC colour to show quality to reach world banner level entirely!是什么意思_KTC colour shows product line overall product already all passed 3C attestation, city place has KTC colour to show quality to reach world banner level entirely!在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句