As an alternative to the conventional seawater cooling system, is based on principles about cooler locations, ()flow control and preheating, but with a central cooler and one additional set of pumps().
A. the central cooling system, different
B. the central cooling system, the same
C. the open cooling system, different
D. the open cooling system, the same
查看答案
××年12月9日早6时,发现村民李永死于自己家中。经勘查,死者仰卧于自己独居卧室的床上,死者的衣兜被翻动、掏出,身盖一棉被;头部两侧的床面上有大量喷溅血迹,头部左侧颅骨塌陷;肋骨呈广泛性骨折;颈部有9cm长的切割伤。该床下一块红砖的棱角处沾有血迹和毛发。靠东墙的壁洞里有一把铁柄菜刀,刀刃上沾有血迹,刀柄上有两枚灰粉指纹。床边桌子上的煤油灯罩上有两枚浅红色粉末的加层指纹。室内被翻动,大量谷物、地瓜粉散落在地。经法医检验,死者是最后一次进餐6小时死亡的。经调查死者8日晚6时在邻居家吃的晚饭。作案过程是怎样的?