Gansu: New tolls for two highways

Yesterday, the Development and Reform Commission of Gansu Province and the Provincial Department of Finance issued the second-class highways connecting the Pingtian Expressway Zhuanglang (Handian) to the Zhangjiachuan-Tianshui (Society) connection line (hereinafter referred to as the Zhuan

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Problems with slow water absorption in sprinklers

Common faults of the sprinkler: The pump cannot absorb water and can not produce water or water for a long time. However, all the work of the sprinkler produced by our factory can not be separated from the water pump. However, the water pump is the most vuln

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