建筑的墙面多成直角转折。这些拐角的外角和内角的线条都比较单调、平滞。常以山石来美化这些墙角。对于外墙角，山石成环抱之势紧包基角墙面，称为抱角。
然而，26岁的托瑞希与25岁女友塔芙洛妮抱著他们是在纽澳地区的印象下，降落于布雷顿角的雪梨。
Nevertheless, Valerio Torresi, 26, and his girlfriend Serena Tavoloni, 25, landed in Sydney, Cape Breton, under the impression that they were Down Under.
结果表明抱辊偏心对变形抗力有影响，辗扩工艺具有不完整的三角形速度场。
The results show that eccentricity of ring holder affects the deformation resistance that the velocity field is a non-perfect triangular one.
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