英语语法分析

A hydrometer used to determine the specific gravity of acid solutions.

比重计：量度液体或溶液的比重的仪器。

Consecutive thing you will have to get is a saltwater mix and a saltwater hydrometer.

连续的事情你将不得不是一个海水混合和盐水比重。

The requirement in accuracy for mechanical analysis with the hydrometer is presented also.

根据国内外资料提出了使用比重计法分析土颗粒的精度要求。