机械工发现飞机的导航系统存在问题。Mechanics discovered problems with the plane's navigation system.机械工给汽车轴上了润滑油.The mechanic greased the car's axle.机械工将发动机中的油全部放走.The mechanic drained all the oil from the engine....

“机械工”的英语可以翻译为：machinist，mechanic，mechanician，[机] mechanicianl，machineman...