paving flags 中文意思是什麼
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Concrete paving flags - requirements and test methods ; german version en 1339 : 2003
鋪路混凝土板.要求和試驗方法 -
Precast concrete flags, kerbs, channels, edgings and quadrants - precast, unreinforced concrete paving flags and complementary fittings - requirements and test methods
預制混凝土鋪路板路緣石溝槽鑲邊件和扇形板.預制,非加筋混凝土鋪路板和相應配件.要求和試驗方法 -
Concrete paving flags - requirements and test methods
混凝土鋪路板石.要求和試驗方法
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