Generally choose gesso more boron hydrates, zinc carbide and aluminum hydroxide, magnesium hydroxide.
一般选用结晶水较多的硼化物、锌化物及氢氧化铝、氢氧化镁。
U. S. officials said the nine materials covered by their case were bauxite, coke, fluorspar, magnesium, manganese, silicon carbide, silicon metal, yellow phosphorus and zinc.
美国官员指出，这项政策所包含的九种原材料包括铝土岩、焦炭、萤石、镁、锰、碳化硅、结晶硅、黄磷和锌。
The invention relates to a silicon carbide particle reinforced type tin, silver and zinc composite solder and the preparation method.
本发明涉及一种碳化硅颗粒增强型锡银锌复合焊料及其制备方法。
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