Pollution source means a physical or chemical operating unit that emits air pollutants.
指排放空气污染物之物理或化学操作单元。
A general steady-state simulation model was presented for predicting the performance of air source heat pump unit in low ambient operating conditions.
本文利用已建立并通过实验验证的空气源热泵机组稳态仿真数学模型，对机组在新工况与常规工况下的低温稳态特性进行了计算机仿真。
A general steady-state simulation model was presented for predicting the performance of air source heat pump unit in low ambient operating conditions.
本文利用已建立并通过实验验证的空气源热泵机组稳态仿真数学模型，对机组在新工况与常规工况下的低温稳态特性进行了计算机仿真。
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