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1·Steel that has been hardened by rapid quenching is brittle and not suitable for most uses.

快速淬火硬化的钢是硬而易碎的，不适合大多数场合使用。

2·The rapid rebound in steel demand.

钢铁需求迅速回升。

3·To enjoy the benefits of concrete - preventing rapid warming and overheating of the interior - the grooves in the steel sheets are partly filled with concrete.

为了体验混凝土的优势，防止室内热量的快速流失或者升温过高，钢板凹槽部分用混凝土填充。

4·Stainless steel solar energy in the open, no electricity heating state, the use of good results, product life is longer, which is the rapid popularization of solar energy products advantages.

不锈钢太阳能在“敞开”、不加电加热状态下，使用效果较好，产品寿命也较长，这是太阳能产品能够快速普及的优势。

5·This paper introduces three methods of rapid softening and annealing for high speed steel. There are many advancetages of energy-saving, short cycle and low cost.

本文介绍了高速钢快速软化退火的三种方法。这些方法具有节能、高效、周期短、成本低等特点。

6·Determining the trace Boron in steel with Optical Emission Spectrometry is a method which is rapid, convenient and practical. It has been used for quality control during production.

用光电直读光谱法测量钢中的硼元素，此方法具有操作便利、快速和实用的特点，为炼钢生产过程质量控制提供手段。

7·With the rapid development of the economy, the technology of steel frames is widely used in various civil and industrial buildings.

经济的飞速发展，使得钢结构技术越来越多地应用在各种民用建筑和工业建筑中。

8·With the rapid development of factory buildings with steel structure, water leakage of the colorful roofing has become a problem the customers and construction units concerned most.

随着钢结构厂房的迅速兴起，彩板屋面的漏水也成为广大用户和施工单位最为关心的问题。

9·Chemical treatments, such as sodium dichromate solutions, may facilitate the more rapid formation of the passive film on a stainless steel surface already free of scale or foreign matter.

化学处理，例如重铬酸钠溶液，可以促进无氧化膜和杂质不锈钢表面的钝化膜更快速度的生成。

10·Magnetic Flux Leakage detection is a new nondestructive testing technique and can be used for the rapid and accurate detection of the flaw and defect for steel structure.

漏磁检测是一个新的无损检测技术，它能快速准确发现钢结构损伤和缺陷。