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在压力容器设计制造过程中,经常会出现一些设计人员指定的材料在市场中难以采购到,或者制造厂对于某种材料有库存,想以此代用指定材料的问题。本文将就较常出现的“以优代劣”和“以厚代薄”这两种材料代用观点加以阐述。
In the pressure vessel design and manufacturing process, it often happens that some designer-specified materials are difficult to procure in the market or the manufacturer is stocked in a certain material and would like to substitute the designated material. This article will elaborate on the more commonly used “substituting” “substituting” and “substituting” “substituting” for the two materials.