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polyamide 12 fiber
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polyamide 12 fiber
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聚酰胺纤维
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polyamide 12 fiber
聚酰胺12纤维
由含12个碳原子的十二烷内酰胺(12-氨基十二酸内酰胺)开环聚合、纺丝制得的化学纤维。
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Poncelet porism
Poncelet-Steiner construction
Poncelet-Steiner theorem
Poncelet theorem
Poncelet transform
Poncelet transverse
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