对于大多数特种气体，推荐使用CTFE，而不是PTFE，这是因为CTFE对氧气和水蒸汽的渗透性更差，冷变形也较小。
For most specialty gases, CTFE is recommended over PTFE because it is less permeable to oxygen and moisture, and evidences less cold flow.
修理前，围绕兼顾解决焊接性、应力和变形问题，结合实际施工条件制定了以手工钨极氩弧焊、镍基焊丝、焊前低温预热、焊后锤击焊缝为要素的冷堆焊工艺。
The method of surfacing welding sealing strip was adopted to repair the deformation of the flange joint surface of the high and intermediate pressure outer casing .
有时直链较多的冷橡胶加入约1%的二乙烯基苯可轻微交联，从而改进可加工性和抗压缩永久变形性。
Sometimes the more linear cold rubbers are slightly crosslinked by the incorporation of about 1% divinyl benzene to improve processability and compression set resistance.
经渗碳及淬火后，具有表面硬度高、心部韧性好的特点、冷变形塑性中等，切削加工性好。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
在氧化磨损阶段，由于加工硬化提高了合金的硬度和强度，对合金施以一定程度的冷变形可有效地提高其耐磨性。
At the oxidation wear stage, certain degree of cold deformation can improve the wear resistance of the alloy because of work hardening.
采用高淬透性钢进行空冷淬火是一种减少铸件热处理变形和开裂的有效措施。
It's a feasible practice to quench in air for castings made of steels with higher hardenability to reduce or avoid its deformation and crack during heat treatment process.
冷变形提高了钢中位错密度，也加剧了位错分布的不均匀性，后者是预应变加速组织演变的直接原因。
Cold deformation results in increasing of dislocation density and inhomogeneous dislocation distribution, the latter is the direct reason for pre-strain to promote microstructural evolution.
冷变形提高了钢中位错密度，也加剧了位错分布的不均匀性，后者是预应变加速组织演变的直接原因。
Cold deformation results in increasing of dislocation density and inhomogeneous dislocation distribution, the latter is the direct reason for pre-strain to promote microstructural evolution.
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