The management theory knowledge is deficient, but the operation management knowledge is more preferably.
管理学理论知识欠缺,而业务管理知识较好。
More preferably, an ionic polymer other than PVAs is further adhered to the resultant reverse osmosis membrane.
进一步优选在上述反渗透膜上进一步附着PVA以外的离子性高分子。
The multilayer structure is preferably a film, more preferably in the form of a pouch, preferably for packaging flowable product, especially milk.
该多层结构优选为薄膜,更优选为袋状物的形式,优选用于包装可流动产品,特别是牛奶。
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