What are the existing or planned capacities for local production of materials and intermediate products, e. G. How large are the proven and exploitable reserves of local materials?是什么意思_What are the existing or planned capacities for local production of materials and intermediate products, e. G. How large are the proven and exploitable reserves of local materials?在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句