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轉杯紡紗工藝rotor spinning technology; u" K c1 p4 w3 p 7 z% U, L* h$ _: L2 D# v: k; Z6 V0 u* A4 Z! n1 [& V" N. a& [3 v4 D+ ~% S 1 L, Q1 z, |% Q& P( z轉杯紡是條子直接紡紗,前紡工序仍為開清 ...
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