Filler selection was conducted in the development of polyurethane sealing waterproofing materials.
Filler selection was conducted in the development of polyurethane sealing waterproofing materials.
在聚氨酯防水嵌缝材料的研制中，对填料进行了筛选。
Filler selection was conducted in the development of polyurethane sealing waterproofing materials.
在聚氨酯防水嵌缝材料的研制中，对填料进行了筛选。