end profile ring 止推环
profile ring rolling 异形截面环件
conical profile ring 锥面钢领
profile ring circumferential sealing 剖环式圆周密封
ring profile 环状
ring index profile 环形折射率分布
·2,447,543篇论文数据，部分数据来源于NoteExpress
expansion ring
The rotational speed of the main roll of a profile ring mill is critical for insuring the success of its rolling process.
合理的主辊转速是保证异形环件顺利轧制的重要因素。
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Operation Puerto was an investigation -- started by the Spanish police in May 2006 -- into the doping ring led by Doctor Eufemiano Fuentes, which involved high-profile cyclists such as Ivan Basso and Tyler Hamilton.
CNN: October 24, 2012 -- Updated 1231 GMT (2031 HKT)
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