求翻译：本人2007年大学毕业后，应聘到了华菱衡阳钢管集团有限公司工作，先后从事岗位有生产一线设备主操、生产机组长、生产工艺员。是什么意思？

After I graduated from college in 2007, recruited to work Valin Hengyang Steel Tube Group Co., Ltd., has a production line equipment in the main post parade, head of the production machine, production craft.

After I graduated from the University in 2007, freelance Mitsubishi Hengyang steel pipes to the China work group limited jobs, she has worked in the first line of production equipment, production crew, the main production craft.

After myself in 2007 the university graduation, responded to a call for recruits Chinese Water chestnut Hengyang Steel pipe Group Limited company to work, was engaged in the post to have successively produces an equipment control, production machine group leader, the production labor entertainer.

I 2007 after University, apply to the Valin Hengyang steel pipe Group Co Ltd, has engaged in post production line equipment, production machines, head of the production process.

I 2007 after graduating, invited to Valin Hengyang steel pipe Group Co Ltd and engaged in post production line equipment main, production head, manufacturing process.