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通常搭配混凝土一起使用，是一種廣泛使用的建築材料，是由水泥、砂、石、加水拌和而成混凝土，再澆灌入事先已放置好鋼筋的模型內，再經過一段時間的養護，達到建築設計所需的強度。用於建築構造、隧道工程、橋樑等…
A steel bar with projections or indentations to increase mechanical bonding; used to reinforce concrete.
A steel reinforcing bar which is manufactured with surface deformations to provide a locking anchorage with surrounding concrete.
Use for concrete reinforcement in civil construction,tunnel construction and bridges.
