Dowtherm什么意思？

Dowtherm的音标：Dowtherm的英式发音音标为：['daʊ'θɜ:m]Dowtherm的美式发音音标为：['daʊ'θɜm]...

The dowtherm design depends on the characteristics of dowtherm and polyamide production process.必须根据导生的特性及聚酰胺生产的工艺特点,选择合理的设计方案.Verify all the equipments and pipelines of the Dowtherm system are in good condition.检查加热炉运行系...