它以“太空海宝”为视觉形象标志.It uses the Space HaiBao as the visual symbol.作为上海世博会的吉祥物, 海宝是在向全世界传达真诚问候.As the Shanghai World Expo mascot , sea treasure was conveyed sincere greetings to the world.上图是本次世博会的吉祥物海宝,被穿上太空服,戴上呼吸机之后, 竟摇身一变成...
The new visbreaking process with de - oiled asphalt feedstock is discussed.论述了以脱油沥青为原料的减粘裂化新工艺.Hydrogen is an important feedstock used in petrochemical enterprises � � hydrogenation process.氢气是石化企业加氢工艺的重要原料.The product m...