风机部件的创造采用冷腔室压力拉模铸造工艺。
The fan component is produced using cold chamber pressure die casting process.
形式和尺寸也可以通过其它一些可选工艺来达到，比如热挤出或冷挤出加工，沙模铸造，拉模铸造，或精密铸造。
Form and dimension may also be achieved by a number of alternative processes such as hot or cold extrusion, sand casting, die casting, and precision casting.
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