多项选择题

Which of the following net marketplaces are many-to-many market?

A.e-distributor
B.e-procurement company
C.exchange
D.industry consortium
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蝉蜕蛇解什么意思?蝉蜕蛇解怎么读?

答案: 参考答案:
拼音:chán tuì shé jiě,简 拼:ctsj
成语解释:1.如蝉脱壳,如龙蛇换皮...
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