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轧环
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轧环
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ring rolling
轧环
以环类零件(简称环件)为成形对象,通过轧辊的旋转驱动和直线进给作用,使环坯产生壁厚减小(或壁厚与高度同时减小)、直径扩大、截面成形的塑性变形,进而获得所需尺寸、形状的环件的特种轧制方法。又称辗环、辗扩。
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railway employee health management
railway energy consumption during the operation
railway engineering
railway engineering geophysical exploration
railway engineering survey
railway environment noise
railway environment vibration
railway express for less-than-carload freight
railway fecal sewerage collection and discharge
railway flat car
railway food hygiene
railway foundation treatment
railway freight car
railway freight transportation
railway geographic information system
railway goods invoice information system
railway goods transportation
railway goods transportation measurement and inspection
railway goods yard
Railway Guerrilla
railway industrial siding
railway infrastructure communication network
railway intelligence service
railway intelligent building
railway intelligent dispatching command
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