heating installation短语¹⁴⁴⁹⁷²⁺² 基本例句 暖气设备,供暖装置 全球变暖 The PWT heating unit of the DWE product line represents the most important building block of the heating installation. Mineral or synthetic oil can be employed as the thermal transfer medium. DWE系列的 PWT加热器是整个加热装置的核心部件，作为载热介质，可以使用有机油和合成油。 health-lead