原泵运行约一年的时就出现振动强、轴封泄漏大、泵效率大大降低等问题，必须停机检修。
The original pump is running about a year there when the strong vibration, seal leakage, and significantly reduce pump efficiency and other issues, we must overhaul downtime.
原泵运行约一年的时就出现振动强、轴封泄漏大、泵效率大大降低等问题，必须停机检修。
The original pump is running about a year there when the strong vibration, seal leakage, and significantly reduce pump efficiency and other issues, we must overhaul downtime.
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