... 聚合物的物理结构physical structure of polymers 聚合物材料的分类classification of polymeric materials 弹性体产品elastomeric products ...
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The application of the polyurethane elastomeric products is reviewed, and the prospect for this macro-molecule material with excellent properties is made in this paper.
综述了聚氨酯弹性体在矿业中的应用现状，并对这种性能优异的高分子材料的前景作了展望。
Corrosion products formed by these reactions can prevent normal valve operation and can become embedded in the elastomeric stem tip, preventing the valve from making a complete seal.
这些反应产生的腐蚀产物会阻止正常的阀门运转，深入到人造橡胶阀杆顶端，造成阀门不能完全密封。
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