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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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water escape structure
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water eutrophication monitoring
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waterfall cave
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waterfall landscape
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water features lighting in landscape architechture
water fee management
water-fertilizer coupling effectsof crop
water filament
water filling test of hydro-generator unit
water filling type
water film scrubber
water fire-extinguishing system
water-flooded layer logging evaluation
waterflood-induced fracture
water flooding
waterflooding characteristic curve
water flooding mechanism
water flooding of electrode
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