Air_handling units的用法和樣例：
例句
- Suitable for the terminal filtration of the air conditioning system and the air cleaning facility needing large air flow.
適用於空調機組的終端過濾及各種大風量空氣凈化設備。 - This paper suggests the method of testing at free conditions on the basis of investigation on the inspection and repair of packaged air conditionning unit in rolling stock units.
針對車輛運用部門空調機組性能檢修測試遇到的問題，提出了非控工況測試方法。
