The mass fraction of n - butene in mixed C 4 from catalytic cracking after etherized was approximately 40 %.醚化后的催化裂化混合C4中含有质量分数约为40%的正丁烯,是生产丙烯的优质原料....
Captain Hiller quickly backed the ship, and the cable was paid out to reduce towline tension.希勒船长急忙使船退行, 放松缆绳以减少作用在它上面的张力.He unscrewed the back of the telephone and started connecting it to the cable.他旋出螺丝打开电话机后盖，开始动手把话机...
The company had overreached itself and made unwise investments...这家公司不自量力地轻率投资。Suffering households and companies are more likely to repatriate overseas investments.遭遇困难的家庭和企业更有可能撤回海外投资....investments that offer respecta...
In some indefinable way, Twain had conveyed his charismatic self to Keller.从某种不可理喻的角度上来说, 吐温把自己的超凡魅力传达给了凯勒....her striking looks and charismatic personality.她出众的相貌和迷人的气质He was chosen as President because he was a fully q...
They travelled westwards.他们向西旅行。Economists warn that enormous pressures could build up, forcing people to emigrate westwards.经济学家警告，迫使人们向西部迁移的压力可能会增至很大的程度。They turned westward / westwards after crossing the river.他们过河以后向...
The number of the cars supposes that the city traffic would get busier and busier.这些汽车的数量意味着该市的交通会越来越拥挤。Creation supposes a creator.创造必须先有创造者.Every effect supposes a cause.有因方有果.He even supposes that art is a manifestati...