roof access 中文意思是什麼
roof access
解釋
屋頂入口-
Prefabricated accessories for roofing. installations for roof access. walkways, treads and steps
屋頂頂蓋預制附件.屋頂通道的安裝.步橋.踏板.單踏板 -
Prefabricated accessories for roofing - installations for roof access - walkways, treads and steps ; german version en 516 : 2006
屋頂預制附件.屋頂通道安裝.步橋踏板單踏板 -
Prefabricated accessories for roofing - installations for roof access - walkways, treads and steps
屋面用預制備件.屋頂通路的安裝.過道踏板和臺階
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