狭义地讲 下列哪项()属于“产品”而不属于“服务” In a narrow sense which of the following is a
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狭义地讲,下列哪项()属于“产品”而不属于“服务” In a narrow sense, which of the following is a "product" rather than a "service"()
A.复印文件 Photocopying of document
B.灯泡 Light bulb
C.理发 Hair-cutting
D.快递服务 Express service

热搜:下列哪项属于静脉性充血
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