One kind of the hollow bead reinforced polyurethane foam composite was prepared.

  • 制备出一种空心微珠增强聚氨酯泡沫复合材料.

  • 互联网摘选 2025-01-20 18:03:13

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句