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Impeller has a single suction and double suction two suction fluid ways.
叶轮有双吸和单吸两种吸液方法。
youdao
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Too much wear with dual-suction seal ring or impeller damaged.
双吸密封环磨损过多，或叶轮损坏。
youdao
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Too much wear with dual-suction seal ring or impeller damaged.
双吸密封环磨损过多，或叶轮损坏。
youdao