Faced with volatile prices for materials crucial to many of their most promising clean energy products, US corporations are quietly investing in alternative technologies and retooling their manufacturing processes to reduce demand for “rare earths”.
由于稀土價(jià)格波動(dòng)劇烈，美國(guó)企業(yè)正悄悄投資于另類(lèi)技術(shù)，并改進(jìn)制造流程，以減少對(duì)稀土的需求。稀土是很多美國(guó)企業(yè)最為看好的清潔能源產(chǎn)品所必需的原材料。
您已閱讀5%（321字），剩余95%（5779字）包含更多重要信息，訂閱以繼續(xù)探索完整內(nèi)容，并享受更多專(zhuān)屬服務(wù)。