precoating material是什么意思

用法例句

The effects of heat transfer coefficient and CaO content of the tundish paint on the properties of the tundish paint are analyzed and on the basis of the analysis the w(CaO)15% MgO-CaO tundish paint with better holding performance is developed.

从影响中间包涂料导热系数的因素和涂料中的CaO含量对中间包涂料的性能影响进行分析,研制出具有保温性能的w(CaO)15%的镁钙质中间包涂料。

The Study and Application of Pre-Coated Sand Technology;

涂料预包砂技术的研究与应用