壳材质 meaning in English
shell material
Examples
- Products materials metal case materials metal case
产品介绍物料材质铁壳材质 - Metal case materials
铁壳材质 - Before each swaging operation , the middlecase is refired to a temperature of 1100 c so as to temporarily reduce the hardness of the steel from 250 to 170 vickers
每道冲压工序开始前，需将表壳胚件重新加热到摄氏1 , 100度，以便暂时将表壳材质的硬度从华氏250度降低至到170度。