I know, to keep such a multi-functional building working properly, a lot of mordern machines and equipment are required. Can you name some of them?是什么意思_I know, to keep such a multi-functional building working properly, a lot of mordern machines and equipment are required. Can you name some of them?在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句