比重瓶 [物] Pycnometer ; density bottle ; volumetric flasks ; Weld pycnometer

比重瓶法 density bottle method ; Pyknometer method ; pycnometric method ; Pycnometer

杯式比重瓶 cup-type pycnometer ; type pycnometer

比重瓶比重计 [分化] areopyknometer

比重瓶测定法 pycnometry ; bottle method

微量比重瓶 micropicnometer

比重瓶测量法 bottle method

微型比重瓶 [仪] micropycnometer

稠液比重瓶 areopycnometer