常見例句雙語例句The working principles of steam accumulators were presented, and their economical efficiency was analysed with examples.介紹了蒸汽蓄熱器的工作原理，并以實例對其進行了經(jīng)濟效益分析。In the construction of production base , the higher ratio of direct spinning , the higher economical efficiency for the enterprise is obtained.在基地化的生產(chǎn)結(jié)構(gòu)中，熔體直接紡的比例越高，企業(yè)的經(jīng)濟效益越好。To modify the current process for producing granular urea, to develop the product market, to enhance the economical efficiency, etc are important.因此，改產(chǎn)大顆粒尿素、開拓產(chǎn)品市場、提高工廠經(jīng)濟效益具有重大意義。權(quán)威例句The CdTe technology spearheaded by First Solar is considered by the EPIA as the most economical thin film technology recorded efficiency levels of up to 11% in 2010.FORBES: First Solar Goes For More Efficiency To Fight Off Chinese Threats 返回 economical efficiency