Friends gathered at a memorial for the late statesman.这位已故政治家的生前好友为他举行了纪念仪式.The statesman is much occupied with affairs of state.那个政治家忙于国事。He was acknowledged as an able statesman.他被公认为是个有才干的政治家。His historical sweep made...
Residue processing can be summarized as decarbonization, hydrogenation and asphalt gasification.渣油加工有脱碳工艺 、 氢工艺及沥青气化工艺.This monograph is a primer to coal and biomass gasification technologies.这个专题著作是煤和生物量气化技术的一本入门.We...