以及长期于生产一线的高级工程师数名的翻译：Number of senior engineers, and production line-long names 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

And long-term senior engineer in several production line

Number of senior engineers, and production line-long names

As well as for a long time in producing a senior engineer several names

The first line of production as well as a long-term senior engineer of several

Number of senior engineers, and production line-long names