With the single unwinder, the time for changing the paper or aluminum is the same, but this change should be done at high frequency because the substrata consumption is very high.

  • 如果只配有一个开卷机,虽然换纸或铝箔的时间是相同的,但是由于面层材料的消耗很大,所以更换的次数会非常频繁。
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