常見(jiàn)例句雙語(yǔ)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(shí)例對(duì)其進(jìn)行了經(jīng)濟(jì)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(jì)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(kāi)拓產(chǎn)品市場(chǎng)、提高工廠經(jīng)濟(jì)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