protecting slag

• 保护渣

protecting slag的用法和样例：

例句

1. A device of measuring the crystallization temperature of mold slag based on single thermocouple wire was introdued.
   笔者以保护渣结晶温度为出发点，提出了一种将双铂铑热电偶丝既作为加热元件，又作测温元件的热丝法技术。
2. The result of industrial application of new protecting slags indicated that they can greatly improve the quality of silicon steel.
   生产应用表明，新型硅钢保护渣对提高硅钢高牌号比起到了积极的促进作用。