| 摘要 |
<p>The roll conveyer system has roller conveyers, where a roller conveyer is made of a wire rack with outside wires, which are fixed at the respective ends and in the center with attached steel plates. A steel roller is crosswise attached at the ends of roller conveyer. A plastic plate is attached on the wires lying outside. The round grooves with tapering openings are provided and are aligned upward.</p> |
