Typically, code in such a method frees system resources that would not automatically be freed by the garbage collector.
2
整个建筑已经装有一个自动通风系统，它有高效的热回收装置。
The entire building has been equipped with an automatic ventilation system with a highly efficient heat recovery unit.
3
利用自动疏水系统，将蒸汽冷凝水回收至锅炉，提高废水利用率、降低能源小红。
Make use of the automatic drainage system, to reclaim the steam condensate to the boiler, improve the wastewater utilization rate and reduce energy consumption.
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