Cutting : Oxyacetylene cut off the castings from gate stick.
用氧氣-乙炔焰從澆棒上切下鑄件.
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The preferred method is by oxyacetylene flame.
最好采用氧炔焰加熱方法.
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This article expounds Al coating technology and parameter chosce by analysing the oxyacetylene heat coating Pan.
提出了氧乙炔焰鋁絲噴涂普碳鋼灼勺工藝及適宜噴涂參數(shù).
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"an oxyacetylene torch"
"oxyacetelyne welding"