名词
中文翻译：钢棒
同义词：
['steel rod', 'iron bar']
例句：
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1.He used a steel bur to drill through the concrete wall.
他用钢棒钻穿了混凝土墙。
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2.The carpenter used a steel bur to chisel away at the wood.
木匠用钢棒凿木头。
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3. The steel bur was a crucial tool in the construction of the bridge.
钢棒是建造这座桥的关键工具。