求翻译：2009年12月 在江门市恒骏五金制品厂兼职，负责该企业产品的网络推广与市场营销，从中学习到SEO搜索优化索引擎关键字收录等方面的相关知识，而且还了解到贸易与税务的相关流程手续。是什么意思？

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in Jiangmen City December 2009 Hang Seng Chun 5 metal factory part-time, which is responsible for the companies products and marketing, network marketing learn SEO search optimization and search engine keywords are included in the relevant knowledge, but also understanding of trade and tax related w

In December, 2009 in the Jiangmen Permanent Steed Hardware Production factory concurrent job, is responsible for this enterprise product the network promotion and the market marketing, studies aspect and so on SEO search optimization rope engine key words including related knowledge, moreover also u

December 2009 Heng Chun hardware products factory in Jiangmen part-time, in charge of the enterprise network promotion and marketing of the product, learn from it to the SEO search optimized cable engine keywords include the terms of the knowledge, but also understand the processes of trade and tax

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