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.
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。
2
Alcoa Bohai is dedicated to providing premium aluminum foil for flexible packaging, beer wrap, household foil, air conditioners and semi-rigid containers.
美铝渤海致力于提供优质的包装用铝箔、啤酒封、家用箔、空调箔和半刚性容器箔。
3
With the need increasement for hydrophilic foil for air conditioner, the effect of degreasing on aluminium foil surface is of great concern to hydrophilic foil manufacturers.