介绍了硬质聚氨酯泡沫塑料全水发泡工艺的基本原理。
Introduced the rigid polyurethane foam plastics entire water foaming craft basic principle.
PLC精确控制全水浸泡式杀菌,精确控制温度和压力。
Hot water immersion sterilization controlled with precise temperature and pressure by PLC.
掺量小、无载体、全水溶、低碱,对碱一骨料反应有明显的减少作用。
Small admixture, completely water soluble, low alkali, apparent reducing effect on the alkali-aggregate reaction.
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