Yes, either zhwiki-20130330-pages-articles.xml.bz2 or zhwiki-20130330-pages-articles.xml.bz2 should be enough (it's the same content), as you probably only need the articles.
Those are the same files. Did you mean zhwiki-20130330-pages-articles.xml.7z for the second one?
Petr Onderka [[en:User:Svick]]