Pedal Exerciser User Weight Limit: 250 lbsPedal Exerciser One year manufacturer warranty.Pedal运动机用户重量限制: 250lbsPedal运动机厂家保修一年.Exerciser Transfer Selector Switch: Permits selection of exercise with and without load transf...
This indicates a hydrodynamic condition with a very marked potentiometric gradient.这说明水动力条件具有很明显的位能梯度.In metal lubrication two distinct regions are recognized: boundary and hydrodynamic.在金属的润滑作用中存在两个不同区段: 边界和流体区.Falling ...