<p>(edge lines, lines, lines, connecting corners) and wire socket, pipe and other objects cut empty reservation. 3 �� the installation order of sound absorbing board, follow the principle from left to right and from bottom to top. 4 when the sound absorbing board is transversely installed, the notch faces upwards; when the vertical installation is arranged, the notch is on the right side. 5, some solid wood sound-</p>
<p>absorbing board has the requirements of the pattern, each facade should be in accordance with the sound board on the pre prepared numbers, in turn from small to large installation. (the number of digital acoustic panels follow from left to right, from top to bottom, in turn, from small to large) three wooden sound-absorbing panels on keel fixed wooden keel: 1, using a nail and plate installed along the rabbet </p>
<p>groove with nail sound-absorbing board fixed on the keel, the nail must be above 2/3 embedding wooden keel, nail should be evenly distributed, and require a certain density, each sound-absorbing plate and keel nail on each node number not less than 10. 2, light steel keel: the use of special installation fittings, sound absorption plate, horizontal installation, notching up, and installation parts installed, each sound </p>
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