impulse sealing是什么意思 impulse sealing怎么读
impulse sealing的用法和样例
- It adopts double working position for winding,unwinding and sealing.
双工位放料和收卷，双工位封口。 - The shaping step is especially designed to keep the sealing from breaking, so the sealing is flat and smooth.
为了避免封口起皱，本机特设计整形工位，使封口平整无褶皱。
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