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1. The touch welding process is used to join metal parts together without using a solder or glue.
触摸焊接过程用于将金属部件连接在一起，而不使用焊锡或胶水。
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2. In the touch welding process, the two pieces of metal are brought into contact and held togetherby heat and pressure.
在触摸焊接过程中，两块金属被加热和压力结合在一起。
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3.Touch welding has been used in various industries for decades, from automotive to aerospace.
触摸焊接已经使用了几十年，从汽车到航空航天行业都有应用。