“各站点销售状况对比”是钨钢戒指(tungsten ring)在各不同站点的销售状况，从该对比表格中清晰地看出钨钢戒指产品在各站点的售价，成交率等信息。 升级到Terapeak 完整版。
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The method has the advantages of reducing production cost, enhancing production efficiency of the tungsten steel ring, and meeting increasing market demand and higher product quality demand.
降低了生产成本，同时又提高 了钨钢戒指的生产效率，满足了日益增长的市场和对产品更高质量的需求。
Cracked tungsten tubes prepared by chemical vapor deposition were investigated by ring machine cutting method and X? Ray stress analysis system.
采用切环测量法及X射线应力分析方法对化学气相沉积制备的开裂钨管进行测量与分析。
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