The mechanism of the surface colouration of the flame - retardant nylon product and its application are introduced.介绍阻燃尼龙制品表面着色的机理及其应用.The developments of technologies for plastics colouration with colour master - batche...
它用讽刺的语言呈现了天主教作家郑重其事表明的观点。It presented in satirical terms points made in earnest by Catholic writers.从上往下俯瞰，山谷呈现出人形轮廓。Viewed from above, the valleys form the shape of a man.这支管弦乐队呈现了精彩的演奏，堪称其多年来的巅峰演奏。The orchestra contriv...