So, the economy problems such as the material, production and installation cost suited the time very well.

这样，材料、制造和安装费与时间的经济等问题都同等程度地配合了起来。

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Building Material Technology co., Ltd. Guangzhou Hong Weida is a focus on high-tech products, computer room, set design, production, sale, installation as one of professional service providers.

广州鸿伟达建材科技有限公司是一家专注于机房高新产品，集设计、生产、销售、安装为一体的专业服务商。

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The paper introduces the matters in the engineering design and installation of the deinking pulp production line for newsprint with waste paper as raw material.

介绍了以废纸为原料生产新闻纸的脱墨浆生产线工程设计时有关工艺技术、设备选型以及安装等过程中的注意事项。

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