双语例句
The results provide the theoretical and practical reference for studies of BMC and compounds based on unsa…
这为BMC及以不饱和聚酯树脂为基体的复合材料的固化研究提供了理论与实践参考。
词典释义：
unsa
时间: 2025-04-08 12:27:32
united nations specialized agencies 联合国专门机构