Maschinist (m)

engine operator(driver)man (n)

engineer (n)

A basic hole is one of the systems of fit employed in mechanical engineering.

The aim is to improve coordination between engineering and production.

Contemporary styling for profiles and accessories adds a new dimension to mechanical engineering.

machine attendant (n)

machine operator (n)

machine tender (n)

stationary engineer (n)

发动机操作员（司机） (n)

固定式发动机操作员 (n)

工程师 (n)

放料工 (n)

机器操作员 (n)

机器管理人员 (n)