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1.The gemstone testing equipment is used to identify the quality of diamonds.
宝石检测设备用于鉴定钻石的质量。
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2. This new model of gemstone testing equipment has greatly improved the accuracy of the test results.
这款新型宝石检测设备的测试结果准确性大大提高了。
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3.The gemstone testing equipment is essential for the jewelry industry to ensure the authenticity of gemstones.
宝石检测设备对于珠宝行业来说，是确保宝石真实性的关键工具。