| 摘要 |
<p>A rail system (22) includes a track (50, 54), a plurality of leveling members (126) disposed below the track, and a plurality of adjustment mechanisms (136) disposed between the track (50, 54) and the plurality of leveling members (126), wherein each of the adjustment mechanisms (136) is coupled to the track (50, 54) and one of the leveling members (126).</p> |
