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a piece of equipment used to measure the density (= amount of matter in a particular quantity) of liquids, especially a long glass tube, closed and with a weight at one end so that it floats vertically液体比重计,浮秤(用于测量溶液密度的仪器,尤指封闭的长试管,一端有砝码,可使液体竖直流动)


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