<dl id="hfbhl"></dl>
<dl id="hfbhl"><delect id="hfbhl"></delect></dl>
<dl id="hfbhl"><delect id="hfbhl"></delect></dl><dl id="hfbhl"><delect id="hfbhl"></delect></dl>
<dl id="hfbhl"><delect id="hfbhl"></delect></dl><output id="hfbhl"><font id="hfbhl"><address id="hfbhl"></address></font></output>
<dl id="hfbhl"><delect id="hfbhl"></delect></dl><video id="hfbhl"><output id="hfbhl"><meter id="hfbhl"></meter></output></video>
<dl id="hfbhl"></dl>
<dl id="hfbhl"></dl>
<dl id="hfbhl"></dl>
<video id="hfbhl"></video>
<video id="hfbhl"><output id="hfbhl"></output></video>
<dl id="hfbhl"><output id="hfbhl"></output></dl>
<output id="hfbhl"><font id="hfbhl"><address id="hfbhl"></address></font></output>
<output id="hfbhl"><dl id="hfbhl"><font id="hfbhl"></font></dl></output>
<dl id="hfbhl"><output id="hfbhl"><font id="hfbhl"></font></output></dl>
搜索

working principle

工作原理

捻線工藝:上層單絲初捻、并合、下層股線反向復捻,一步法完成初復捻工藝。

1_01.jpg1_02.jpg

大胆gogo无码不卡播放