乙炔的造句大全
- 造句1:介绍汕头海湾大桥主缆缠丝所采用的氧- 乙炔火焰钎接焊方法及其工艺,并对主缆缠丝焊接的难点进行了分析。英 文:The method and technology of oxyacetylene flame braze welding for main cable wrapping at Shantou Bay Bridge were introduced, and the difficulties of the welding were analyzed.
【乙炔】的拼音及解释


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