| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an engraving method of a prime mover capable of performing engraving in a mission case in which an electric motor as a prime mover is included, and the prime mover.SOLUTION: A prime mover includes: an electric motor, as a prime mover, incorporated in a mission case 1; and an engraved mark comprising a predetermined character string made by irradiating a plane part 9, which is the external surface of the mission case 1, is provided at a position viewed from the outside when mounted to a vehicle, and has a predetermined area or more, with a laser beam.</p> |
