| 摘要 |
<p>The trolley used for conveying and displaying food products is made up of two tubular metal racks which are movable and can be interlocked by their axles (2) fitting into rings (3) fixed onto a base (1). The base consists of a metal rectangular box with wheels (2) on, two of which are fixed and two pivoting. The racks are joined by flat bars (12) which pivot horizontally and consist of two tubular uprights (5) and two crossbars (6) at different heights.</p> |
