Linkage bears complex dynamic loads during the running of engine.

连杆在发动机工作过程中承受复杂的载荷。

youdao

To hear ecotopians talk, you'd think the idea of running an engine on hydrogen was new.

FORBES: The long, loud history of hydrogen as a motor fuel.

Start the engine of the running car, and run it for 1-2 minutes while revving the engine to higher rpm.

FORBES: What To Do If Your Car Won't Start In Cold Weather

The delivery truck that hauls your overnight package could soon be doing the job without the engine running half of the time.

NPR: UPS to Test Hybrid Vehicle in Detroit