In this paper, development and international technology development trends for the currentplate steel, weathering steel, fire-resistant steel and steel rebars was analysis.
本文对目前建筑用钢中厚板、耐候钢、耐火钢以及钢筋品种的开发和国际上技术发展趋势进行了分析梳理。
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Adopting the combination data of GPS and VLBI this paper founds a currentplate motion model based up completely on space techniques. The geological model NUVEL1A is compared with the current model.