| 摘要 |
A manufacturing line includes a first line and a second line. The first line includes a first plurality of stationary modules positioned in series and defining a first path through the first line, and a first friction drive system for transporting an article along the first path. The second line includes a second plurality of stationary modules positioned in series and defining a second path through the second line. The second line also includes a second friction drive system for transporting the article along the second path. A mobile module is supported by ground-engaging elements and includes a third friction drive system for transporting the article along a third path defined by the mobile module. The mobile module is movable between a first position defining a first continuous path along the first path and third path, and a second position defining a second continuous path along the second path and the third path.
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