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				           		本发明涉及一种甲壳胺与纤维素的皮芯型复合纤维及其制备方法。
						        					            	 The invention relates to a sheath core composite fibre of chitin and cellulose and a preparation method thereof.
								    										 
								    				            	 youdao 
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				           		本发明涉及一种甲壳胺与纤维素的皮芯型复合纤维及其制备方法。
						        					            	 The invention relates to a sheath core composite fibre of chitin and cellulose and a preparation method thereof.
								    										 
								    				            	 youdao