| 释义 |
塑钢sùgāng一种用于制作门窗等的材料,用聚氯乙烯、树脂等原料,添加适当助剂、改性剂挤压成型,框架是中空的,里面嵌装槽形钢材。{plastic steel; plastic and steel frame; material for making door and window frames, whereby polyvinyl chloride and resin added with assistants and modifiers are extrusion-molded into hollow frames, which are filled with channel-section steel as reenforcement} |