The colorful road brick business which is mostly made from hard drying concrete has wide market development prospect.

以干硬性混凝土为主料的彩色路面砖行业具有广阔的市场发展前景。

youdao

The colorful road brick business which is mostly made from hard drying concrete has wide market development prospect.

以干硬性混凝土为主料的彩色路面砖行业具有广阔的市场发展前景。

youdao