| 摘要 |
A portable exercising apparatus includes a holder block fixedly mounted inside a housing and defining a transverse track, a slide slidably mounted in the track of the holder block, two pull belts respectively fastened to one end of the track and the slide and extended out of two opposite lateral sides of the housing for pulling by the user to exercise the muscles of the arms, and a damping spring member mounted inside the housing for imparting a damping resistance to the slide upon movement of the slide by the user.
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