The products should be packed with wooden pallets or carton, stored in flatness andand unloaded carefully.产品用木托盘包装、纸盒包装, 无论是人工或机械卸车,必须轻拿轻放严禁抛掷,防止碰坏边角....
He makes his own paint, grinding up the pigment with a little oil.他就着几滴油磨了些颜料，自己制油彩。Certain pigment colours were painted on to dry plaster using tempera (where egg yolk is used to fix the pigment).使用蛋彩画颜料（内含可以定色的蛋黄）在干石膏上...
在1874年费迪南德布劳恩是一名24岁的教师在德国莱比锡.In 1874 Ferdinand Braun was a 24 - year old teacher in Leipzig, Germany.冯.布劳恩 ( Wernhervon Braun,1912-1977 ) 是20世纪液体燃料火箭技术和宇航工程的开创者和奠基人.Wernher von Braun ( 1912 - 1977 ) was a romantic person...