单词:welding heat input
单词:welding heat input 相关文章
High-Tech Material Cools Buildings, Sends Heat Into Space 高新技术材料给建筑降温,将热量送入太空 Researchers at Stanford University have developed a new material that can move heat out of buildings and into space. The researchers say
US Elections Heat Up, China Trade Tensions Rise President Barack Obama and his opponent Mitt Romney are talking tough on trade with China. Earlier this week, Obama announced a new World Trade Organization case over Chinese automobile subsidies. He al
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