单词plate-block
As the full bag is transported under the top sealing unit, two plate block the film and the welding bars close to seal the bag.
由于满口袋是在顶部的密封装置下运输，两个弹簧片挡住了薄膜以及焊接棒从而密封袋子。
After folded, the utility model becomes a plate block which is compact.
折迭后成一条板块，十分紧凑。
Design and Application of Wheel-plate Block-combination Jigs for Buses Roof Frame
转盘式分块组合顶盖胎具的设计与应用
Finite Element Analysis of Plate-Block Model for Open-Web Sandwich Plate
基于板-块体模型的空腹夹层板有限元分析