: y+ `+ A& l( U! {/ M7 z [0 `& W单式弯纱single sinking& G* {1 Y5 Y0 ~& |* O- [. O2 t) q
复式弯纱sinking and dividing 有回退式弯纱sinking with robbing- o( P& u4 ]0 W- D: g
无回退式弯纱sinking without robbing 夹持式弯纱sinking with clamping
- K' ?0 ?7 n2 a1 t( r非夹持式弯纱sinking without clamping
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4 U$ U+ P9 S1 W( }8 H" M
6 p' Z3 a& K0 B$ F' ~/ U2 C6 c
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