该欧洲标准规定了用于非连续屋顶覆盖物衬垫的柔性板的特性。
This European standard specifies the characteristics of flexible sheets for underlays which are to be used under roof covering of discontinuous roofs.
结论采用粉末烧结技术研制的多孔板的特性满足水升华器的性能要求。
Conclusion Porous plates developed by making use of sintered powder technology could meet requirements of performance of water sublimator.
本文介绍了多层板的特性、规格、物理性能及它作为模板使用时的要求和方法。
This paper introduces the nature, specifications and physical property of the plywood, and the demand and method of use as a formwork.
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