字典網>> 英漢字典>> L開頭詞條>>long-run average cost的意思 漢英字典long-run average cost中文翻譯：【經】 長期平均成本字典網英文字典相關詞條：longevous long distance long selling long sphenopalatine nerve long-term obligations long-chain molecule long-wire directive array long arm long stroke long branch routine