将牛肉带有脂肪的一侧向上放在窄口的烤锅中的支架上。

Place meat, fat up, on rack in open shallow roasting pan.

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如果窦口的缩窄已阻碍窦腔的通气和引流，则应扩大之。

If the Dou Kou constriction has hindered the Dou Qiang ventilation and the drainage, should expand it.

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窄间隙焊接是将常规的焊接工艺与窄间隙坡口结合在一起，通过专门的装置和控制技术而集成的一种新型焊接技术。

Narrow gap welding is a new welding technology, in which unusual welding technique and narrow gap are integrated with the special equipment and control technology.

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