或者，这个产品目录所在的系统没有反映该怎么办呢？
Or, the system on which the product catalog is located is not responding?
内容由负责更新数据库的小组来管理——可能是内容管理系统的文字编写人员，或者是产品目录的数据输入员。
The content is managed by whatever group updates the database — perhaps copywriters for a content management system or data entry operators for a product catalog.
这些功能涉及用户、后端系统和数据库（产品目录）之间的直接交互。
These functions involve direct interaction between users, back-end systems, and databases (the catalog).
我厂编制的产品目录，尤为在设计上要求压力高，震动大，密封强的各种碳钢、不锈钢、铜质管路系统所采用。
I plant the preparation of the catalogue, particularly in the design requirements of high-pressure, vibration, seal-of carbon steel, stainless steel, copper piping system used.
我厂编制的产品目录，尤为在设计上要求压力高，震动大，密封强的各种碳钢、不锈钢、铜质管路系统所采用。
I plant the preparation of the catalogue, particularly in the design requirements of high-pressure, vibration, seal-of carbon steel, stainless steel, copper piping system used.
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