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复式弯纱sinking and dividing 有回退式弯纱sinking with robbing4 |& H0 I! O) N) a$ t
无回退式弯纱sinking without robbing 夹持式弯纱sinking with clamping c% k' U2 h( L0 C3 @3 I! I1 N
非夹持式弯纱sinking without clamping
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