武汉建筑材料工业学院；石家庄市建筑材料工业局；

Wuhan Institute of Building Materials and Shijiazhuang Bureau of Building Material Industry;

youdao

武汉建筑材料工业学院；石家庄市建筑材料工业局；

Wuhan Institute of Building Materials and Shijiazhuang Bureau of Building Material Industry;

youdao