cold-starting heavy-oil engine

例句：

1. 1. Thecold-starting engine is very efficientat reducing emissions.
   这款冷启动发动机在减少排放方面非常高效。
2. 2. The cold-starting system ensuresthat the engine starts smoothly withoutany delays.
   这款冷启动系统确保发动机平稳启动，无需任何延迟。
3. 3. The cold-starting technology has greatly improved theperformance of electric vehicles.
   这项冷启动技术极大地提高了电动汽车的性能。