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1. 屋面板：roof anchorage 顶部固定 | roof boarding 屋面板 | roof burst 顶板突然崩落
2. 望板,屋面板：roof board ==> 屋根板、野地 | roof boarding ==> 望板,屋面板 | roof bolt ==> 洞顶锚栓,杆柱
3. 望板：roof board 屋面板 | roof boarding 望板 | roof bracing system 屋架支撑系统