roof cover meaning in Chinese

上盖
屋顶盖布

Wind resistance of prepared roof covering materials
预制屋面覆盖材料的抗风阻力
Impact resistance of prepared roof covering materials
预制屋顶层材料的抗冲击性
Standard test methods for fire tests of roof covering
屋面覆盖材料耐火性的标准试验
Roof covering . aluminium or aluminium - alloy shaped linear elements
屋顶.铝或铝合金制线状型材
General requirements for a discontinuously laid roof covering
不连续铺设的屋顶覆盖物的一般要求

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