例句與造句

1. Abstract : current situation of domestic seamless steel tube industry is detailed , covering such aspects as production , marketing , mill plants and product category . based on a comparison of domestic situation to those in developed countries in terms of mill plant and production capacity and on the performances of the imported pipes , current problems of domestic seamless steel tube industry are analyzed , and accordingly countermoves like changing market ideas , technological creation and optimizing product mix , etc
   文摘:從產銷、機組和品種方面詳細介紹了我國無縫鋼管的生產現狀；對比發達國家的機組與生產能力以及我國進口管的情況，分析了我國無縫鋼管生產存在的問題，提出了更新市場觀念、搞技術創新、優化產品結構等對策。
2. It's difficult to find optimize product mix in a sentence. 用optimize product mix造句挺難的