7 T2 k* e0 T; a0 w* ^单式弯纱single sinking
- X' F+ A% Y9 t' _5 Q复式弯纱sinking and dividing 有回退式弯纱sinking with robbing
1 {- u6 y5 u3 ?! z+ R- D无回退式弯纱sinking without robbing 夹持式弯纱sinking with clamping
& b6 L2 Y6 H' z! c, n非夹持式弯纱sinking without clamping ( Y- r; F2 c( Y- g; ]$ }5 r7 ?
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