our system is on maintainace有点道理,但不一定准啊。our system is to maintain这个不对,不定式表叫来,不符合语境。our system is being maintained 这个是绝对正确的。
翻译:(xi tong zheng zai wei hu zhong)就这个翻译,信我吧,给分我。O(∩_∩)O~