''Here are the beginnings of fire and engineering, the origins of pyrotechnology, and the bridge to more recent ceramic and metal technology,'' said Mr Brown.
“这是火和工程的开端，古代高温技术的源头，更晚的陶瓷、金属技术的桥梁。”布朗说。
Based on the analysis of the sheet metal technology, the advantages and disadvantages of traditional deployment methods are summarized.
论文在分析研究钣金件制作工艺的基础上，总结传统展开方法的利弊得失。
Semi-solid metal technology is characterized by many advantages and believed as the key metal manufacture technology in 21 century by specialist.
半固态金属成形技术具有许多优点，被专家们称为21世纪新兴的金属制造关键技术之一。
Semi-solid metal technology is characterized by many advantages and believed as the key metal manufacture technology in 21 century by specialist.
半固态金属成形技术具有许多优点，被专家们称为21世纪新兴的金属制造关键技术之一。
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