B: Simplify the general carrying idler's multi-varieties, multi-specifications, special-purpose, into a sole series;
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LED particles with multi-specifications 多规格的LED颗粒
Specifications for multi-axial multi-ply fabrics 多轴向多股织物规范 ; 多轴向多股织物 ; 多轴多股纤维织物规范
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