“air-acetylene welding”的概念、定义、翻译、参考文献-科学参考

单词	air-acetylene welding
释义	air-acetylene welding [er ǝ`sed·ǝl·ǝn `weld·iŋ] ^METALLURGY A gas-welding process in which the heat is obtained from the combustion of acetylene and air.
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