例句與造句

1. Noise reduction properties of polyurethane rigid foam
   聚氨酯硬質泡沫塑料降噪性能研究
2. Standard specification for rigid foam for use in structural sandwich panel cores
   結構夾層板芯板用硬質泡沫塑料標準規(guī)范
3. Gypsum plaster boards with polystyrene or polyurethane rigid foam as insulating material
   用聚苯乙烯或聚醋酯硬質泡沫作絕緣材料的石膏灰粉夾
4. The new waterproof and heat insulation building material - the study of polyurethane rigid foamed plastics
   耐高溫聚異氰脲酸酯硬質泡沫塑料的制備
5. It's difficult to find rigid foam in a sentence. 用rigid foam造句挺難的