Mechanical seal is the key part of submersible sewage pump, the reliability of it decide the submersible sewage pump life.
作为潜水污水泵关键部件的机械密封，其可靠性决定潜水污水泵的使用寿命。
Submersible pumps and portraits of life in rural production plays an important role in use should note the following.
潜水泵小巧轻便，在农村生产生活中起着重要作用，在使用中应注意以下几点。
In acid and alkali resistance, submersible pumps etc widely adopted, prolong the pump life.
在耐酸、耐碱、潜水电泵等领域广泛采用，延长水泵寿命。
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