Baumé hydrometer波美比重计;波美液体比重计;波美表
chain hydrometer链式比重计
api hydrometer美国石油学会液体比重计;美国石油协会相对密度计
Hicks hydrometer希克斯比重计
hydrometer assembler比重装配工
hydrometer set液体比重计组
Sikes hydrometer席克斯比重计;翻译
electrolytic hydrometer电解湿度计
density hydrometer密度计
N（名词） an instrument for measuring the relative density of a liquid, usually consisting of a sealed graduated tube with a weighted bulb on one end, the relative density being indicated by the length of the unsubmerged stem 液体比重计