Implementation of the new discharge standard for landfill leachate makes most landfill leachate projects in China face technical upgrade.

随着新垃圾渗滤液排放标准的实施，我国大部分垃圾渗滤液处理工程面临着技术升级改造问题。

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Especially, it has been renowned for its outstanding achievements in the scientific research, equipment replacement and technical upgrade of solar water heater self-contained production equipment.

尤其在太阳能热水器成套生产设备的科技研发、设备更新、技术升级等方面取得了卓越成效。

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Especially, it has been renowned for its outstanding achievements in the scientific research, equipment replacement and technical upgrade of solar water heater self-contained production equipment.

尤其在太阳能热水器成套生产设备的科技研发、设备更新、技术升级等方面取得了卓越成效。

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