The effects and economic benefits of using PE tube filter as the secondary unit for brine filtering was introduced.

介绍了加装PE管过滤器作为二次过滤装置后的效果及经济效益。

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The company has gained the security certificate of national dangerous chemicals business unit standardization for the secondary unit, and also safety production license;

公司获得了国家危险化学品从业单位安全标准化二级企业证书；同时正在办理产品安全生产许可证；

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Yet, energy recovery can be achieved easily by utilizing the four-quadrant characteristic of the secondary unit together with high efficiency and good energy saving feature.

利用液压马达的四象限工作特性，能够有效地实现能量的回收与再利用，具有很高的效率和很好的节能效果。

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Additionally, the secondary unit is connected to a motorized touchscreen LCD and responds to your voice thanks to the included speech recognition software.

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Moreover, the right kind of education should be provided, which is why the Science Education Unit provides primary, secondary and tertiary pedagogical materials to schools while meeting with policy-makers, students and teachers alike.

UNESCO: Social and Human Sciences

The unit is designed to give children from the autism unit at Pilsley Primary School a secondary school option.

BBC: Autism centre to be built at new ?14.5m Tibshelf School