| 摘要 |
The system includes a dolly (10) having a bottom platform (11) for supporting luggage piece (20) and a pair of column assemblies (13) extending upward from the platform. Each luggage piece is provided with one engagement unit (21) having a latch opening. Two latch units (30) are slidably interposed between the pair of column assemblies and have hook portions that releasably engages the latch opening of the engagement unit.
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