<div><br></div><div><section class="_135editor" data-role="paragraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">答：中长纤维的长度在51-76mm之间，细度在2．2～3．3dtex(2～3旦)之间。常用的是2．75dtex(2．5旦)、长度65mm的品种。51mm 长的中长纤维，采用2．75dtex(2～5旦)的可以纺20-15tex(30～40英支)的纱；采用3．3dtex(3旦)的，只能纺25～2tex(23~29英支)的纱。65mm长的中长纤维，如采用2．2dtex(2旦)的细度，可纺14～12tex(42～50英支)的纱；采用2．75～3．3dtex(2．5～3旦)的，可纺18～15tex(32～40英支)的纱。</span></p></section><section class="_135editor" data-role="paragraph" id="autoparagraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section></div>