采用电子束直写、步进制模、压印翻制的压印模具生产工艺，其模具的制造是目前面临的难点。
The mold manufacturing is the key part in imprint lithography process, which includes electron beam direct writing, stepping molding, and the conversion from small mold to big mold.
结果表明采用聚酯弱捻长丝织制的几种管状织物厚度、密度、强力与弹性达到了翻衬法管道修复技术的工艺要求。
Through testing and analysing their basic properties, the result proves that their thickness, density, strength and elasticity of polyester filament fabrics can accord with the demand of inversion …
根据由冰模所翻制铸件的尺寸对铸件收缩率进行了研究。
Some researches on the shrinkage percentage of the casting have been done according to the dimension of the castings made from the ice patterns.
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