单词：intaglio printing or gravure printing
单词：intaglio printing or gravure printing 相关文章
Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations The waning years advances in computer hardware and software, mechanical devices, sensors and artificial intelligence brought the world another step closer to the robotic future. Electric cars
VOA标准英语2015年(十二月)
Conversation 2 A: Is there anything I can do for you, madam? A：能为您效劳吗，女士？ B: Yes, what are these little stone pieces for? B：这些小石块是看什么用的？ A: For seal-cutting. Look, they are Jixue stone, Shoushan stone,
最In导购口语
New York Museum Displays Iraqi Jewish History纽约博物馆显示伊拉克犹太历史 Hello and welcome back to the program designed tohelp you learn and improve your American English. ImJim Tedder in Washington. Today we are going tomake some mone
2014年VOA慢速英语(三)月
US Money Factory Prints Distinctive Dollars American dollars are a popular currency both in the United States and around the world. Ensuring that the bills are distinctive and trustworthy is the job of the U.S. Department of the Treasury, a governmen
VOA标准英语2014年(二月)
There are more than 26 thousands casting companies in China, accounting for half of all the global manufacturers of casting products. But the traditional method of handmaking castings is heavily reliant on human resources and energy, and can produce
2018CRI中国国际广播电台
An employee carefully scans a man standing still behind two photographic lamps with a gun-like scanner in his hand. The whole process takes approximately 10 minutes. After loading the data into the computer, the rest work is left to the 3-D printing
英闻天下