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单式弯纱single sinking$ C2 @, o9 \: S, r% Z& l* r
复式弯纱sinking and dividing 有回退式弯纱sinking with robbing1 n! T6 n" b" ?- q6 D; J! X; E
无回退式弯纱sinking without robbing 夹持式弯纱sinking with clamping' R0 g5 }* ?2 x( k8 p
非夹持式弯纱sinking without clamping ; l: I% ]7 B% [ q" T1 p" P6 r# l
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