本文详述了真空充气包装机的工作原理，对其主要机构和电气控制的设计，以及参数计算进行了深入分析。
This paper states the principles of the vacuum-gas flushing packaging machine. It analyses the design of main structure as well as electric-pneumatic control and the computation of specifications.
真空充气包装贮存是通过抽真空和充入氮气来处理粮食及馆藏古籍等物品，从而保证它们在长期储藏时不易变质。
The vacuum filling gas package is used for safe-deposition such as the foodstuff and old book long time by pumping and filling in with Nitrogen.
本发明公开了一种快捷方便、易于携带的熟面饼，它是由真空包装或真空充气包装的熟面饼、熟蔬菜以及火腿组成。
The invention discloses an instant, convenient and easy-taking cooked cake. The cake is made from cooked cakes in vacuum packaging or vacuum blow-up packaging, cooked vegetables and ham.
本发明公开了一种快捷方便、易于携带的熟面饼，它是由真空包装或真空充气包装的熟面饼、熟蔬菜以及火腿组成。
The invention discloses an instant, convenient and easy-taking cooked cake. The cake is made from cooked cakes in vacuum packaging or vacuum blow-up packaging, cooked vegetables and ham.
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