high-grade cast iron；high-test cast iron是什么意思

用法例句

This paper introduces the preparation and construction technology of several kinds of high-grade paint similar to enamel for construction.

介绍了几种建筑用高级仿瓷涂料制备与施工技术。

The paper makes efforts to outline the main points and aims of advanced Chinese language teaching for the students who have passed the examination of HSK 6.

本文针对HSK六级以上学生的汉语水平 ,提出了高级汉语教学的重点和目的。

Also,basic and advanced control functions of air separator system are presented.

介绍了武钢60000m3/h制氧机组的控制系统硬件及软件组成,着重讨论了控制系统选型、软件设计及实现和空分系统的基本和高级控制功能。

Study on mixtures of higher alcohols used as the solid-liquid phase-change materials for thermal storage;

混合高级醇固-液相变储热材料的研究

Screening of Saccharomyces cerevisiae with low production of higher alcohols;

低含量高级醇啤酒酵母菌株的选育

Determination of higher alcohols in grape wine by gas chromatography;

气相色谱法测定葡萄酒中高级醇