某电子瓦罉标有“220V 110W”字样，正常工作时通过它的电流是 ______A；若它正常工作2h，消耗的电能是 ______J．

Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.

A.increasing the permeability of the pumproom

B.reduction of drill water from the storage tanks

C.a list caused by water filling the compartment

D.a reduced KG caused by water filling the compartment