求翻译：经过多年的研发和投入，我公司填补了国内空白，具有多项专利技术拥有自主知识产权的“节能减排”新型发动机将于2 0 1 2年9月2 0日（星期四）举行产品下线庆祝活动，诚挚邀请您的莅临！是什么意思？

After years of research and development and investment, I fill the gaps with a number of patented technologies have independent intellectual property rights, "energy saving" new engine will be 2 0 2 0 1 2 9 (Thursday), the product off the assembly line celebration, cordially invites you to visit!

As a result of many years of research and development and input, and I am filled the domestic gap companies, with more of the patents technology with independent intellectual property rights to the section "New engine emission reduction" will be in 2 0 1 2 0 2 in September, ) (Thursday held celebrat

After many year research and development and the investment, our company has filled the domestic blank, will have many patent technology to have the proprietary intellectual property rights “the energy conservation to reduce the platoon” the new engine 2 on 0th (Thursday) to hold product winding cel

After years of research and development and investment, we have filled the domestic blank, with many patented technologies with independent intellectual property rights of "energy-saving emission reduction" new engines will be held September 2 2 0 1 2 years, 0 days (Thursday) products off the celebr

正在翻译，请等待...