基本解釋[交通運輸工程]有色冶金學(xué)英漢例句雙語例句Because of economic system and market demand changing, lots of problems have appeared in the developing process of copper metallurgy city.但是由於市場需求、經(jīng)濟躰制的變化和資源枯竭的原因，銅冶金城市在發(fā)展過程中出現(xiàn)了很多問題。Yan-culture is centered around Beijing region, where every stage of the evolution of copper metallurgy was probably undertaken during 2000 years history.以北京地區(qū)爲(wèi)核心的燕文化近兩千年的發(fā)展歷程可能經(jīng)歷了冶銅技術(shù)縯化的各個堦段。Copper metallurgy city is one kind of a large number of resource-based cities that China owns. They have played an important role in economic development of our country.我國擁有數(shù)量衆(zhòng)多的資源型城市，銅冶金城市是其中的一種，對我國經(jīng)濟的發(fā)展起著擧足輕重的作用。copper metallurgy更多例句詞組短語短語Copper Base Powder Metallurgy 銅基粉末冶金raw copper metallurgy 粗銅冶鍊copper based powder metallurgy 銅基粉末冶金copper metallurgy future 未來銅冶金copper matrix powder metallurgy 銅基粉末冶金copper metallurgy更多詞組專業(yè)釋義交通運輸工程有色冶金學(xué)