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1. The engineer used an aluminum drillpipe to bore a hole in the rock.
工程师用一根铝合金钻杆在岩石中钻孔。
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2. The construction crew needed an aluminumdrill pipe for the next project.
施工队需要一根铝合金钻杆来完成下一个项目。
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3.The drill pipe was made of high-quality aluminum alloy, ensuring durability andstrength.
钻杆由高质量的铝合金制成,确保了耐用性和强度。