The door and parts of the fixed part may be made of perforated sheet metal.
门和固定部分的多个部分可由穿孔金属板制成。
An acoustically absorbent material (e. g. a fabric) may be secured to an inwardly facing surface of any part formed from perforated sheet metal.
吸音材料(例如织物)可固定至由穿孔金属板形成的任何部分的面向内的表面。
Inner space is without paint and exposes a texture of concrete. Interior wall attached to the lecture pavilion is an acoustic wall and is made of veneered perforated sheet.
内部空间没有涂漆，暴露混凝土纹理。连结讲座馆的内墙是隔音墙，由贴面穿孔板做成。
For even better results, separate sheet along perforated lines and place both halves in the dryer for effectiveness and reducing chances of blocking dryer vents.
想要达到更好的效果，可以沿穿孔线将纸分成两半放到烘干机中高效使用并且可以减少堵住烘干机出口的机会。
For even better results, separate sheet along perforated lines and place both halves in the dryer for effectiveness and reducing chances of blocking dryer vents.
想要达到更好的效果，可以沿穿孔线将纸分成两半放到烘干机中高效使用并且可以减少堵住烘干机出口的机会。
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