variable operating cost中文,variable operating cost的意思,variable operating cost翻译及用法 2026-10-18 23:54 浏览次数 41 variable operating cost英[ˈvɛəriəbl ˈɔpəˌreɪtɪŋ kɔst]美[ˈvɛriəbəl ˈɑpəˌretɪŋ kɔst]可变营运费