exhibition boards是什么意思

exhibition boards是什么意思 director of boards 是什么职位 director of boards 是什么职位? Reed Exhibition 是什么 请问the major job boards 是什么? trade fair 和 exhibition 的区别是什么? editorial boards OSB3 boards Flute Boards microfirm readers,engineering drawing boards,tape-slide unit 分别是什么东西啊? They went to see an exhibition yesterday.中谓语是什么? swap boards是什么意思 coquille boards是什么意思 exhibition是什么意思 exhibition是什么意思 painting exhibition advertisement boards是啥意思 hand made boards什么意思?