For cargoes()grain meals,coal,ventilation
题型:单项选择题
问题:
For cargoes()grain meals,coal,ventilation is needed to prevent them()spontaneous combustion.
A.i.e./of
B.for instance/away
C.for example/off
D.such as/from
For cargoes()grain meals,coal,ventilation is needed to prevent them()spontaneous combustion.
A.i.e./of
B.for instance/away
C.for example/off
D.such as/from