... 预顺向 preorientation 准备机械 preparatory machinery 域聚合 pre-polymerization ...
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Cotton Spinning Preparatory Machinery 棉纺前纺机械
Spinning preparatory and spinning machinery 纺纱准备和纺纱机械
Spinning preparatory and machinery 纺前预处理机械和纺纱机械
Weaving Preparatory and Auxiliary Machinery 织造准备及辅助机
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