塑胶外壳不能有永久性变形，电气部件的间隔也能符合第3.11条的标准。
There shall be no permanent deformation of the polymeric housing, and electrical spacings shall comply with Dlause3.11.
有时张紧行程不够，皮带出现永久性变形，这时可将皮带截去一段重新进行硫化。
Sometimes the tensioning stroke is not enough, the belt of permanent deformation, then can be the belt off a section to cure.
结构合理，能均衡考虑车架的强度、刚度、韧性，具有承载能力强，不发生永久性变形等特点。
The structure is designed reasonably to get a balanced consideration of the intensity, rigidity and toughness of the frame, having the merits of large capacity and no permanent distortion.
在TFE有效压力范围内，尼龙以前被广泛的使用，因为尼龙具有抗永久性变形(或蠕变)的能力，并且在负载后能够自行恢复。
Nylon is predominantly used past the useful pressure range of TFE because of its ability to resist permanent deformation (or creep), and recovery after load.
容器和设备的特性应设计成不会发生破裂，但允许存在永久性的变形。
Property of vessels and equipment designed to without rupturing, but allowing permanent deformation.
在热压模缎中，模具失效的主要模式是腐蚀作用、热疲劳、机械疲劳和永久性即塑性变形。
In hot impression die forging, the principal modes of die failure are erosion, thermal fatigue, mechanical fatigue and permanent (plastic) deformation.
在热压模缎中，模具失效的主要模式是腐蚀作用、热疲劳、机械疲劳和永久性即塑性变形。
In hot impression die forging, the principal modes of die failure are erosion, thermal fatigue, mechanical fatigue and permanent (plastic) deformation.
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