A.筒倉(cāng)一倉(cāng)底皮帶機(jī)一出倉(cāng)計(jì)量秤一輸送機(jī)組一駁船
B.筒倉(cāng)一倉(cāng)底皮帶機(jī)一出倉(cāng)計(jì)量秤一高架存?zhèn)}一駁船
C.筒倉(cāng)一V型存?zhèn)}一倉(cāng)底皮帶機(jī)一高架存?zhèn)}一車
D.筒倉(cāng)一V型存?zhèn)}一倉(cāng)底皮帶機(jī)一高架存?zhèn)}一駁船
A.封閉的筒倉(cāng)
B.揚(yáng)起的粉塵
C.火
D.氧氣