Foreigners often make some strange mistakes in Chinese when they study the most difficult language--- ---Chinese. We try to analyze typical sentences to correct these errors.

          Zhè tái jīqì liǎnɡ duō tiān jiù xiū hǎo le.
False: 这台机器两多天就修好了。
          Zhè tái jīqì liǎnɡ tiān duō jiù xiū hǎo le.
True: 这台机器两天多就修好了。

天使一个本身含有量词性的名词,多和天连用,不能放在天的前头,应当跟在天的后头。
天 is a noun of quantity.When used with 天, 多 must follow it rather than precede it.