The low thermal water radian heating type with modified polypropylene pipe is systematically analyzed.

对以改性聚丙烯管为管材的低温热水辐射采暖方式进行了系统分析。

youdao

The low thermal water radian heating type with modified polypropylene pipe is systematically analyzed.

对以改性聚丙烯管为管材的低温热水辐射采暖方式进行了系统分析。

youdao