关于走道上两块铝板更换之事我已询问过相关人员，他们反映说已经重新换过了，麻烦你能再去看一下，如还有问题请随时告知我。
For the two ceiling panels, I have asked the related staff, he says that the panel have been replaced. So would you please recheck on site? Then any questions to inquiry me.
主要用于矩形区域如酒店大堂和走廊，办公室和走道。
Primarily for use in rectangular areas such as hotel lobbies and corridors, offices and walkways.
水槽和落水管雨水也交通远离如门，走道敏感地域，并维护泥土。
Gutters and downspouts also transport rainwater away from sensitive areas such as doors, walkways, and protected soils.
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