短語(yǔ)詞組短語(yǔ)pilot balloon observation 測(cè)風(fēng)氣球觀測(cè)pilot t balloon observation 測(cè)風(fēng)氣球觀測(cè)observation balloon 觀測(cè)氣球;觀察氣球balloon -borne astronomical observation 球載天文觀測(cè)observation balloon detail 觀察氣球air observation balloon 探空氣球air r observation balloon 探空氣球unmanned observation balloon [氣象][航]無(wú)人觀測(cè)氣球an observation balloon 觀測(cè)氣球 返回 balloon observation