hydrometer的例句（hydrometer在句子中的用法）

• A hydrometer for measuring the specific gravity of urine. 测量比重或密度的仪器.
• Such damage is usually found to have been caused by hydrometer misuse, especially with symthetic separators. 通常所发现的这种损坏是由于应用比重计不当造成的.
• Such damage is usually found to have been caused by hydrometer misuse, especially with synthetic separators. 通常所发现的这种损坏是由于应用流速计不当造成的, 尤其是使用合成材料隔板.