Cutting : Oxyacetylene cut off the castings from gate stick.
用氧气-乙炔焰从浇棒上切下铸件.
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The preferred method is by oxyacetylene flame.
最好采用氧炔焰加热方法.
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This article expounds Al coating technology and parameter chosce by analysing the oxyacetylene heat coating Pan.
提出了氧乙炔焰铝丝喷涂普碳钢灼勺工艺及适宜喷涂参数.
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"an oxyacetylene torch"
"oxyacetelyne welding"