搜索 - 科创

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该图为古时候的水漏斗计时器。当水面至液面A时，其高度记为H⑴，出水口液面压强为p⑴;当水面至液面B，其高度记为H⑵，出水口液面压强为p⑵；由于H⑴≠H⑵，所以p⑴≠p⑵;由于出水口液面在不同时...

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