Checker: a job Checker is an appointed Application engineer within Product Management. This Application engineer will check the quality, accuracy, and thoroughness of your work on an engineering job.
检验员：产品管理中任命的一个工程师。他的职责是检验产品的质量，精度和整个工程作业。
2
Check list (quality specification) has been signed by the controller( inspector, checker).
检验单（质量说明书）已由管理员（检查员、审核人）签字。
3
The checker checks on the quality of our products.