同义词
1)hydrometer,[液体]比重计2)hydrometer；hydrostatic balance；areometer;araeometer,areopycnometer,液体比重计3)hydrometer,液体比重计4)areometer,液体比重计5)areopyknometer,液体比重计6)hydrometer,(液体)比重计7)areopycnometer,液体比重计8)specific gravity hydrometer,液体比重计9)hydrometer analysis,液体比重计分析10)hydrometer calibration,液体比重计校准
