二甲醚的生产方法比较及市场预测--维普资讯网 关键词: 二甲醚 生产方法比较 市场预测 工艺探讨[gap=774]Key words: Dimethylether;manufacture method compared;market forecast;technics study
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Compared with the holographic method, the new method is simpler, cheaper, and more efficient to manufacture elements on a large scale.
该方法与一般的光学全息方法相比，具有设计灵活、重复性好、适于大批量生产等优点。
This paper has described the manufacture method, technical specification and application of waterborne polyurethane for wood finishes and compared its performance with that of traditional products.
叙述了水性聚氨酯木器漆的制备方法、技术指标及施工应用，并与传统产品做了性能比较。
The paper introduces manufacture method of special pipe-cutting machine for rollers, which have a little labor intensity and consumption compared with old grinding wheel-cutting machine.
王桂香，托辊专用切管机的设计制作介绍了托辊专用切管机的制作方法，解决了原有砂轮切割机劳动强度大及消耗大的问题。
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