平面內(nèi)墻頂棚變形縫雙卡鎖型ZKNQ-SKS-P
轉(zhuǎn)角型內(nèi)墻頂棚變形縫雙卡鎖型ZKNQ-SKS-L
1.simple structure, large scalability, no screw on surface
2. commonly-used in indoor equipment.
Disadvantages:
Due to the reason of its own structure, the outer base is not completely on the same level with the cover board.
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