upper chain

As the cultural power control the design of upper reaches of the chain of cultural industry, the marketing of the middle reaches and the consumption of the lower reaches. The homogeneous cultural products and consumption inevitably lead to culture homogenization.

由文化强国控制着文化产业价值链上游的研发设计、中端的营销及下游的消费，同质的文化产品提供同质化的文化消费，不可避免地也会产生文化同质化现象。

Defective sealing ring between chain tensioner and upper chain case cover.

链条张紧器与上部链条箱盖间的密封圈损坏。

Study found that: First, the Shanghai Huangpu river tourism industry chain is mainly links from three aspects, the upper reaches of the terminal operator, the middle reaches of the cruise company and the downstream channel.

研究发现：第一，上海黄浦江水上旅游产业链主要由上游的码头运营商、中游的游船公司和下游的渠道三个环节构成。