Lay those Ghost Petpets to rest and earn a score of 75 on Ghost Bopper.

拍倒鬼寵物玩伴并在萬圣敲鬼頭獲得75分.

Described are the development process, main technical parameters, technical fea-tures, structure, testing and application prospects of the KM_ ( 70) coal bopper car.

介紹了KM（70）型煤炭漏斗車的研制過程、主要技術參數、技術特點、結構、試驗情況及應用前景。