of, connected with, produced by or operated by a machine or machines
acting without thinking, in a machine-like way
"a mechanical process"
"his smile was very mechanical"
"a mechanical toy"
"a belief that the universe is a mechanical contrivance"
"the mechanical pressure of a strong wind"
You must allow some good in mechanical science, such as the invention of printing.
出自： H. Carpenter
Three..jets were grounded by mechanical faults and an accident.