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ventilation system的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
a mechanical system in a building that provides fresh air;
"she was continually adjusting the ventilation"
ventilation system的用法和样例：
例句
- But then farms began to use new ventilation systems.
但然后农民开始使用新的通风系统。 - The crankcase ventilation system carries fresh air through the crankcase.
曲轴箱通风系统要携带新鲜的空气通过曲轴箱。
