TQGD系列立式低转速离心泵，试压泵适用于环境噪声要求很低的场合及空调循环等。
TQGD series vertical low rotation speed centrifugal pump is applicable for occasions with low requirements for environment noise, air-conditioning circulation, etc.
解决泵行业一直依据经验统计值确定面积比而不能使低比转速离心泵在设计点效率最高这一问题。
It is resolved that design condition efficiency for low specific speed centrifugal pump is not the highest in terms of experiential statistical area ration value.
尤其是低比转速复合叶轮离心泵内部的流动更加复杂，亟待解决的问题也更多。
Especially the flow of compound impeller in the centrifugal pump at low specific speed is more complex and has more problems need urgently to resolve.
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