短語詞組短語geometrical demonstrations 幾何表示gateway demonstrations 示范項目radiological demonstrations 影像表現(xiàn)organised demonstrations 組織集會d demonstrations 三維展示calligraphy demonstrations 書法表演Labor Demonstrations 勞工抗議活動typical demonstrations 典型示范demonstration project 示范項目，示范工程demonstration effect 示范效果demonstration teaching 示范教學(xué)demonstration plant 示范裝置；樣板廠demonstration test 示范試驗demonstration software 演示軟件 返回 demonstrations