在主流速度较低时，这种情况并不明显。不同吹风比下反应出来的平均换热系数的差别在靠近缝口的区域较明显，沿下游方向这种差别逐渐减少。
And the average heat transfer coefficient near the slots is different between different blow ratios, while far away from the slots, the difference diminish.
包裹不到一英尺长，外面缝着一层帆布，缝口上封有红色的火漆，盖有他父亲的印鉴，上面有他父亲写的亲笔字：“寄安琪尔·克莱尔夫人收。”
It was less than a foot long, sewed up in canvas, sealed in red wax with his father's seal, and directed in his father's hand to 'Mrs Angel Clare'.
开衩，衩：衣服上的狭长口子，如在口袋的后部缝口内。
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