Also the on-the-spot maintenance and inspection was strengthened so that the running time of the Root's blower was prolonged. The normal running of PTA conveying was guaranteed.

同时加强了现场的维护和巡检，使得罗茨鼓风机的运行时间大大地延长，保证了PTA输送的正常进行。

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Also the on-the-spot maintenance and inspection was strengthened so that the running time of the Root's blower was prolonged. The normal running of PTA conveying was guaranteed.

同时加强了现场的维护和巡检，使得罗茨鼓风机的运行时间大大地延长，保证了PTA输送的正常进行。

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