简要介绍了电缆跑道拉移装置的设计、安装和使用，并在工作实践中得到了良好的效果，大大地提高了劳动效率。
Synopsis introduced the design, installation and the use of the electric cable runway and pulling device, which has achieved good results and improved the efficiency of the labor force.
意思是如果上跑道做间歇训练，在整个训练中，使用5K左右的速度。
This means that if you are going to the track to do intervals do about 5k worth of speed during the entire workout.
意思是如果上跑道做间歇训练，在整个训练中，使用5K左右的速度。
This means that if you are going to the track to do intervals do about 5k worth of speed during the entire workout.
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