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金屬蓋板型
內墻頂棚蓋板型變形縫ZKNQ-GB-P/L(平面型/轉角型)

平面內墻頂棚蓋板型變形縫 ZKNQ-GB-P
內墻頂棚蓋板型變形縫平角ZKNQ-GB-P.png
轉角內墻頂棚蓋板型變形縫 ZKNQ-GB-L
外墻蓋板型轉角變形縫ZKWQ-GB-L02.png

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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国产成人Av在现观看,国产综合99在线一区二区,国产免费A∨片在线播放