这种监测包括坐在一个健身车上，带上一个连接着可以降低运动员的氧气摄入量的过滤器的面具装置。
This involves sitting on an exercise bike wearing a mask that is connected to a machine that filters the air and reduces the amount of oxygen the players can breathe in.
这种监测包括坐在一个健身车上，带上一个连接着可以降低运动员的氧气摄入量的过滤器的面具装置。
This involves sitting on an exercise bike wearing a mask that is connected to a machine that filters the air and reduces the amount of oxygen the players can breathe in.
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