This article mainly reasearched that light alkali substituting heavy alkali and 10% silica sand ultra-fine dust were used in the float glass batch by the method of adding special cementing agent.
通过在浮法玻璃配合料中加入特殊黏结剂取代传统的配合料加水，可以将配合料中重碱换成轻碱，并可利用10%的硅质超细粉原料。
Wolfgang USES no power tools which means that all of these fantastic swirls and curves are done completely by hand with a large assortment of file and ultra-fine sand paper.
沃尔夫冈不使用电动工具，这意味着所有这些美妙的曲线般的漩涡，完全由手工完成用砂纸大拼盘文件和超精细。
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