It can be used for reference to professional to design and construct big cubage concrete.

对于从事大体积混凝土设计和施工的专业人员，有一定参考价值。

youdao

It can be used for reference to professional to design and construct big cubage concrete.

对于从事大体积混凝土设计和施工的专业人员，有一定参考价值。

youdao