With the acoustic paper or sound proof cotton , the punch ceiling increase absorption capacity of whole closed space and the noise reduction can alter the impact .

冲孔天花板背面加入隔音纸或者隔音棉，有助于增加整个密闭空间的总吸收量，降低噪音给我们带来的影响。

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Punch the dough down to release gases and divide into 9 even portions. Roll each into a ball and place them on a baking tray lined with baking paper. Cover the buns and let them proof for 45 minutes.

取出面团，排挤出气体，然后分割成9份小面团，滚圆后放到铺了烤纸的烤盘上进行45分钟的最后发酵。

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This is just the latest in a series of ground-breaking procedures to be performed at Craigavon and is further proof that district general hospitals in Northern Ireland often punch above their weight when it comes to research and development and embracing new technologies.

BBC: Heart monitor implant makes NI medical history