楼上的，中国从俄罗斯买来的也一样是次品，J-20的发动机就是劣等的俄国货，所以J-20也是劣等品。

That is exctly what Chinese are buying from Russia, the engines for the J-20 has to come from Russia are they inferior then J-20 is inferior.

youdao

楼上的，中国从俄罗斯买来的也一样是次品，J-20的发动机就是劣等的俄国货，所以J-20也是劣等品。

That is exctly what Chinese are buying from Russia, the engines for the J-20 has to come from Russia are they inferior then J-20 is inferior.

youdao