Our principle is efficient, reliable and practical.Meanwhile, the design is more operable by extensively absorbing the opinions and suggestions of technical engineer working many years.是什么意思_Our principle is efficient, reliable and practical.Meanwhile, the design is more operable by extensively absorbing the opinions and suggestions of technical engineer working many years.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句