This paper introduces parameter selections of hot water circulating pump both at home and abroad.

对国内外热水循环泵的选取参数计算方法作了介绍和分析。

youdao

This paper introduces parameter selections of hot water circulating pump both at home and abroad.

对国内外热水循环泵的选取参数计算方法作了介绍和分析。

youdao