The Mount Isa mine complex is one of the most highly mechanized in the word,(BESIDES being) the largest single industrial enterprise in Queensland.
plus尽管在这里也是介词,但与上下文的要求不符合,所以不能用.应该用BESIDES,
除- - -- 以外,还 - - - -
句子翻译：除了在昆士兰是最大的单一项目的企业以外,The Mount Isa mine complex还是世界上最具机械化程度的企业之一.