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If transition at the shaft collar of a circular shaft adopting closed Angle will bring biggish stress concentration as bearing load.
圆轴轴肩处若采用尖角过渡，承载时将引起较大的应力集中。
Wool cardigan sweater, Folding collar hook eyes closed and self-tie belt at the waist.
羊毛开衫毛衣，折叠式领钩眼闭和自我在腰部皮带领带。
The children of Afro-Caribbean and Indian immigrants have completely closed the earnings gap with whites, in both professional and blue-collar work.
ECONOMIST: Race discrimination
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