Yog tias koj xav paub ntau ntxiv txog lub underwater treadmill , cov lus hauv qab no yuav muab kev pab rau koj. Cov xov xwm no yog qhov kev lag luam tshiab tshaj plaws, cov qauv hauv kev txhim kho, lossis cov lus qhia ntsig txog kev lag luam underwater treadmill . Ntau cov xov xwm hais txog underwater treadmill , raug tso tawm. Ua raws li peb / tiv tauj peb kom paub ntau ntxiv cov ntaub ntawv underwater treadmill !