玻璃,不锈钢和一些塑料就属于食品级材料。
钢,铁,玻璃,布和纸张。
简述了玻璃钢取心工具的研制、工具可靠性分析和现场试验情况。
This paper briefs the development, its reliability and field test of this tool.
防火油漆用于建筑物钢结构、玻璃钢和铝材上。
Fire retardant paint for building steel structure, glass fiber reinforced plastic and aluminum.
防火油漆用于建筑物钢结构、玻璃钢和铝材上。
Fire retardant paint for building steel structure, glass fiber reinforced plastic and aluminum.
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