单词：urethane foam
urethane foam的用法和样例：
例句
- 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。
- The testing result of this absorber is close to the urethane pyramids which are commonly used in microwave chambers.这种填充式吸波材料的初步测试结果与聚氨酯泡沫锥体吸波材料相当。
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