But separate copier, printer, fax machine and color scanner take large room in office, and you also waste a lot of time and energy rushing between different machines.

但是单独的复印机、打印机、传真机和彩色扫描仪却占据了大量的办公空间，同时奔波于不同机器之间也让您浪费了大量的时间和精力。

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Polyaluminium chloride color has a lot of, every raw material and production process is different, it is widely used in drinking water, industrial water and wastewater treatment field.

聚合氯化铝的颜色有很多，每一家的原材料和生产工艺不同，广泛用于饮用水、工业用水和污水处理领域。

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This year, he says, "we will see some color devices, and we will see a lot of different products that try to cross the border between tablets and e-book readers."

他说，今年“我们会看到一些彩色电子书阅读器，会看到许多不同的产品试图介于平板电脑与电子书阅读器之间。”

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The political color of City Hall might mean a lot to the different political parties, but it makes a daily, real difference to the lives of millions of Londoners.

CNN: Why London's mayoral elections matter so much to women