英德
有道
百度
谷歌
图片
维基
百科
中封 [zhōng fēng]
chung fung
lr 4
lr 4
- ：该机适用于复合塑料双边封、中封的成形、封合与切断成袋。
The machine is suitable for compounding plastic double edge sealing, form of medium sealing, cut-off and sealing into a bag. - 在此实验当中，我们研究在烧瓶中封入气体的量及其内部压强的联系。
In this experiment, we investigate the connection between pressure and volume of air sealed in a flask. - 其它包装材料包括:三边封袋，中封袋，风琴袋，中间封风琴袋，封口膜，卷膜，蒸煮袋（袋子本身可以在蒸或煮的高温情况下使用，对内包物进行加热和杀菌）。
General Packaging Materials include: 3-Side Seal, Center Seal, Side Seal with Gusset, Center Seal with Gusset, Tray Lid, Rolls, Retort Pouch (This pouch may look like other regular pouches, but it actually made up of different kinds of materials which enable the pouch to be heated and sterilized).
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