It's specially designed so that it cannot be switched off with a simplepush of a button.
它经过了特殊设计,因此无法光靠按个钮就可把它关掉。
2
Start with the simplepush-off drill, in which the swimmer pushes off and stays in the streamline position until they pop to the surface and stop moving forward.
从简单的有力的游泳练习,游泳运动员结束划水时,停留在流线型姿势直到他们流行于表面,停止前进。
3
One operator can complete changeover in less than 15 minutes without tools or change parts and infeed timing adjustments are made with the simplepush of a button.