Are you the young lady with the oxidant iodin chemical laser driller to awarding tonight?

你是今晚凭氧碘化学激光钻机要作科技发明演讲的年轻的女士吗？

youdao

Are you the young lady with the oxidant iodin chemical laser driller to awarding tonight?

你是今晚凭氧碘化学激光钻机要作科技发明演讲的年轻的女士吗？

youdao