312单元设置了2个凝缩油罐，当气柜正常生产时使用。
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一袋米吃去36.18千克，还剩62.82千克，原来是（）千克。
A. 100
B. 98
C. 99
系统加工理论和启发式加工理论的基本假设分别是什么？
Which statement is TRUE concerning gasoline vapors on board a vessel（）.
A. They are heavier than air and will settle in the lowest part of the vessel
B. They are lighter than air and will settle in the highest part of the vessel
C. They should be vented into the engine to improve combustion
D. They should be vented into the wheelhouse
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