engine blower

例句：

1. 1.The engineer blew the engine to cool it down.
   工程师把发动机吹凉了。
2. 2. The engine blower was essential for maintaining the airflow in the engine compartment.
   发动机风扇对于保持发动机舱内的空气流通至关重要。
3. 3.The engineer had to replace the engine blower due to a malfunctioning part.
   由于一个故障部件，工程师不得不更换发动机风扇。