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单式弯纱single sinking
( p6 D) ? k" ^% K P, N复式弯纱sinking and dividing 有回退式弯纱sinking with robbing1 ^' t' S* x, x2 U
无回退式弯纱sinking without robbing 夹持式弯纱sinking with clamping
% X$ J% l9 m3 M% U% r非夹持式弯纱sinking without clamping
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