跪求哪位大侠帮忙翻译下，拒绝在线翻译！谢谢！

As a mechanical engineer, in the company mainly engaged in the production technical support and related technical documents issued; The contrast of benchmarking excavator; Follow up the excavator test; New product design and development; Perfms after-sales technical support, customer visiting, technology research; The engine and the main pump power match; The efficiency of oil consumption test work excavator

As a mechanical engineer, the company mainly engaged in the production of technical support and related technical document of benchmarking excavator; comparative study; Track excavator test; new product design and development; completed in accordance with the requirements of customer service technical support, customer visits, technical research; research engine and pump power matching; excavator fuel consumption efficiency test and so on