Based on thermodynamics principle, the feasibility for melting iron borings in cupola was ana lysed.從熱力學角度分析了在沖天爐內熔煉鑄鐵切屑的可行性.This paper reviews some equiblast cupolas, and introduces emphatically the snail like wind box ...
He waited until all the luggage was cleared, but Paula's never appeared.他一直等到所有的行李都拿走了，但始終沒看見葆拉的。I threw a mute look of appeal at Paula.我默默地向葆拉投去懇求的目光。I thought she might be interested in Paula's proposal.我覺得她對...