1. A fuel delivery system in internal combustion engines that uses mechanical components (rather than electronic controls) to inject fuel into the engine cylinders at precise timing
The old diesel engine relied on a mechanical injection system to deliver fuel efficiently.
O motor diesel antigo dependia de um sistema de injeção mecânica para entregar combustível eficientemente.
2. In industrial applications, a system that mechanically injects liquids, lubricants, or other substances into machinery or processes
The hydraulic press uses a mechanical injection system to distribute oil throughout the machine.
A prensa hidráulica usa um sistema de injeção mecânica para distribuir óleo em toda a máquina.