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1 ?转换成本法 ... Town Dwelling conversion cost 城镇兵种转换消耗 conversion cost method 转换成本法 order conversion cost 提出了订单转换成本 ...
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In the long-term work, he found that the conversion using the traditional method of low efficiency, cost him a lot of time and effort, so he wanted to change his working methods to improve efficiency. 在长期的工作中，他发现，采用传统的转换方法，效率较低，耗费他大量的时间和精力，所以他想改变他的工作方法，以提高工作效率。 - 2
Chemical conversion treatment because of its simple, low cost, is the effective method of magnesium alloy corrosion. 化学转化膜处理因其操作简单、成本低廉，是镁合金防腐蚀的有效方法。 - 3
The method has the advantages of simple equipment, easily controlled operating condition, low production cost and high selenium chitosan oligosaccharide conversion rate. 本项发明设备简单、操作条件易于控制、生产成本低廉、得到的硒壳寡糖转换率高。
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