universal hydrometer

• 通用比重计

universal hydrometer的用法和样例：

例句

1. 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。
2. Check your specific gravity by putting the sanitized hydrometer right in the container.
   在容器中通过投入消毒的液体比重计检查比重。