棉花是怎样做成棉线的

摘要:
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问：棉花是怎样做成棉线的？ 答： 1、刚从地里摘下来的棉花经轧花机轧好后就成了皮棉，棉花从皮棉到被制成棉线有如下几个步骤：把收进来的棉包打开并进行检查，然后进行梳棉，在此过程中棉花从装有金属丝毛刷的机器中穿过。这些钢丝刷也叫梳棉刷，可以清理、解开打结的棉花，并...