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發(fā)布時(shí)間: 2020-11-16 23:03
正文摘要:彈性紗(如氨綸絲)是高彈性體,延伸率大于600%,稍受外力便會(huì )伸長(cháng),如送紗張力不一、喂入量不等,便會(huì )引起布面不平整。因此,彈性紗的送紗必須采用專(zhuān)門(mén)的積極式定長(cháng)送紗裝置。 / j5 S, U/ ~- i9 t* y& A6 b4 Y% ... |
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