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air-acetylene welding
gen. 空气乙炔焊〔接法〕
dril. 氧气乙炔焊; 气焊
met. 空气-乙炔焊接
oil 空气乙炔焊
tech. 空气乙块焊
air acetylene welding
el.mach. 空气乙块焊接
oil, transp. 空气乙炔焊接
tech. 空气乙炔焊 (接)
wind. 气焊; 乙炔焊

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