This paper briefly discusses the development and application of prestressed concrete oval digestion tank in China.

本文概述了预应力混凝土蛋形消化池在我国的开发和应用情况。

youdao

This paper briefly discusses the development and application of prestressed concrete oval digestion tank in China.

本文概述了预应力混凝土蛋形消化池在我国的开发和应用情况。

youdao