As the world’s most robust economic region, China has attracted worldwide attention with
从历史文化来了解和认识中国，是一个重要的视角。（汉译英)
China’s four great invention of paper making, gunpowder, printing and compass have had a
冷加工钢筋是由热轧钢筋经冷拉、冷拔的冷加工后而成。冷加工后钢筋的强度和塑性都得到了提高。（)
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