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1. The process ofcontact welding involves bringing two piecesof metal together and heating them until theymelt, forming a strong bond.
接触焊接过程涉及将两块金属片结合在一起，并加热它们直到它们熔化，形成牢固的连接。
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2. In the automotive industry, contact welding is used tojoin steel components together for strength and durability.
在汽车工业中，接触焊接用于将钢制部件连接在一起以增强强度和耐用性。
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3. The engineers used contactwelding to repair the damaged partsof the aircraft, ensuring that it couldsafely fly again.
工程师们使用接触焊接修复了飞机受损的部分，确保它能够安全地再次飞行。