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铜氨纤维
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铜氨纤维
以棉短绒等天然纤维素为原料,溶解在碱性铜盐的浓氨溶液或氢氧化铜溶液后,纺丝制得的再生纤维素纤维。
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Dongping Xian
Dongping Yueyan Temple Cypress of Han Dynasty
Dong pipa
Dong pipa song
Dongpo Academy of Classical Learning
Dongpo Qu
Dongpu depression
Dongqianhu Lake
Dongqian Lake Stone Inscription
Dong Qiao
Dong Qichang
Dongqing
Dong Qiufang
Dong Qizhang
Dong Qu
Dong Quan
Dongqu Jiedao
Dongsha Dao
Dongsha islands fishing ground
Dong Shan
Dongshan Dao
Dongshan Fengdongshi Tourist Area
Dongshan Ling
Dongshan Museum
Dongshan Poetry Collection
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