The infection of the washing liquid used in the pump at the decompression tower bottom to the medium was introduced.
采用串联式波纹管机械密封代替原单端面机械密封，解决了减底泵机械密封冲洗液对介质的影响问题。
The infection of the washing liquid used in the pump at the decompression tower bottom to the medium was introduced.
采用串联式波纹管机械密封代替原单端面机械密封，解决了减底泵机械密封冲洗液对介质的影响问题。
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