这是一台进行造型操作，如碰撞、装头和压袋的自动压力机。
This is an automatic press that performs shaping operations, such as bumping, heading and pocketing.
当塑料袋或铝箔被打开，空气进入，平衡了压力，然后咖啡会像一盘散沙，使得咖啡砖可以变换形状。
When the plastic or foil is cut, however, air gets in, equalising the pressure. The coffee then acts like the pile of particles it is, and the brick can change shape.
压力损失是袋式收尘器重要的技术经济指标。
Pressure drop is an important technical and economic index of fabric filter.
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