The cause of occurrence of power overload and the unstable curve of head-flow volume for low rate ratio pumps was analyzed in this paper. Some methods, then, were presented to solve the problems.
分析了低比转数离心泵出现不稳定扬程-流量特性曲线及功率过载的原因，提出了相应解决办法。
The cost of the power supply is low, the volume is small, the weight is light, and the ratio of property to price high. It should be a kind of c...
该送丝电源成本低，体积小，重量轻，性价比高，是一种值得推广的电路。
The cost of the power supply is low, the volume is small, the weight is light, and the ratio of property to price high. It should be a kind of circuit worth...
该送丝电源成本低，体积小，重量轻，性价比高，是一种值得推广的电路。
The cost of the power supply is low, the volume is small, the weight is light, and the ratio of property to price high. It should be a kind of circuit worth...
该送丝电源成本低，体积小，重量轻，性价比高，是一种值得推广的电路。
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