Jones himself was a curious mixture of radicalism and conservatism.琼斯自己是个奇特的混合体，既保守又激进。the innate conservatism of older people老年人固有的保守性He began his professional life as an accountant, the very model of respectability and...
Under maintenance feudalism rule premise, attention textbook scientific nature and inappropriateness.在维护封建统治前提下, 注重教科书的科学性和适用性.He has to pay maintenance to his ex-wife.他必须给前妻赡养费。Easy operation and maintenance, reliable a...
The paper discusses a new method for producing cupric feed copper sulfate by chalcocite and ehalcopyite.介绍了用辉、黄铜精矿制备饲料级硫酸铜的新方法.More and more companies have gone 'green' and started producing so-called environme...