Machine building and Mechanical engineering

Mechanical engineering and machine building are semantically related in engineering topic. In some cases you can use "Mechanical engineering" instead a noun phrase "Machine building", when it comes to topics like engineering science.

Mechanical engineering noun - The branch of engineering that deals with the design and construction and operation of machinery.

Machine building and mechanical engineering are semantically related in engineering topic. You can use "Machine building" instead a noun phrase "Mechanical engineering", if it concerns topics such as engineering science.