This article introduced basic property, process route and current situation in China of PS extruded foam board as insulation material.
本文介绍了PS挤塑泡沫板作为保温材料的基本性能，加工工艺路线以及在我国的现状。
The article introduces the systematic research and development of hot extruded alloy structure tubes for power station boilers.
对电站锅炉用热挤压合结管进行了系统的研制开发。
The article introduces methods of nutritional appraisal to extruded and expanding foods.
简要介绍了评价挤压膨化食品营养价值的方法。
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