Telecharger Cours

T? ?i?n Ti?ng Anh Xây d?ng

Grade of concrete. : C?p c?a bê tông. Grade of reinforcement. : C?p c?a c?t thép. Grade: C?p (c?a bê tông, c?a ?) Hand rail. : Lan can. HDPE sheath. : V? b?c ...



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