It was found that cycling can make ten times the speed of blood flow.
实验发现，骑单车可以让血液的流动速度加快十倍。
Large public swimming pool applies inverse-flow-style cycling water supply system.
对于公用性大型泳池采用逆流式循环给水系统；
Large public swimming pool applies inverse-flow-style cycling water supply system.
对于公用性大型泳池采用逆流式循环给水系统；
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