基本解釋[化學]聚氨酯結(jié)構(gòu)泡沫塑料英漢例句雙語例句The micro structural shape and the reinforcing effect of the polyurethane foam plastics reinforced by glass fibres have been studied.對玻璃纖維增強聚氨酯泡沫體的微觀結(jié)構(gòu)形態(tài)及增強效果進行了研究。The optimal density of polyurethane foam material is obtained under the condition of satisfying the structural strength of flap mechanism.研究分析聚氨酯泡沫塑料的材料特性，在滿足扇門結(jié)構(gòu)剛度的條件下選擇最佳聚氨酯材料的密度。polyurethane structural foam更多例句專業(yè)釋義化學聚氨酯結(jié)構(gòu)泡沫塑料