| 释义 |
heavy-duty car heavy-duty car[¦hev·ē ¦düd·ē ′kär] (mechanical engineering) A railway motorcar weighing more than 1400 pounds (635 kilograms), propelled by an engine of 12-30 horsepower (8900-22,400 watts), and designed for hauling heavy equipment and for hump-yard service. |