原文：
1、潜水泵抽泥浆时，介质密度增大引起的过载。 　　实测介质密度大于1.3，甚至达到1.5～1.6；而电机功率富裕系数较小（一般1.05～1.2）。 　　2、泵体内淤积泥沙，叶轮被制动引起的过载，电机则近乎在堵转状态运转。 　　3、转子轴孔的间隙以及叶轮口环的间隙被泥沙填充使转轴制动引起的过载。 　　4、个别厂家为了在竞争中压价取胜，人为减小电机功率。 　　5、缺乏法律规范的，行业统一的矿用潜水电机抗过载衡量标准，以至于市场竞争中缺乏标准基点。

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译文：
1, submersible pumps, pumping mud, the medium density increases due to overload. Measured medium density greater than 1.3, even up to 1.5 ~ 1.6; the electrical power of less well-off coefficient (usually 1.05 ~ 1.2). 2, sediment in the pump body, impeller overload caused by braking, the motor is running close to the Locked state. 3, the rotor and the impeller shaft clearance hole Sandy Bay sediment filling the gap is caused to pivot brake overload. 4, individual manufacturers to lower prices in the competition to win, man-made reducing motor power. 5, lack of legal norms, the industry a unified anti-mine divers overload electrical measurements, so the lack of market competition, the standard basis points.