英语词汇helium arc welding怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	helium arc welding
释义	helium arc welding 简明释义氦弧焊网络释义 1 ?氦弧焊 ... helical-weld pipe螺旋焊管 helium arc welding氦弧焊 helium shielded welding氦气保护焊接 ... 2 ?氦气保护焊 ... helium 氦 helium arc welding 氦气保护焊 helmet 防护面罩 ... 短语 1 helium-arc welding 氨弧焊 2 helium shielded arc welding 氦弧焊 3 helium shielded-arc welding 氦气保护弧焊双语例句 1 Helium is used for arc welding and leak detection, mostly, although NASA USES it to pressurize space shuttle fuel tanks. 虽然美国宇航局用它来给航天飞船的燃料箱加压，氦主要还是用来做弧焊和裂纹检测。 2 Gaseous helium is used as an inert shielding gas in metal arc and laser welding. 在金属电弧和激光焊接中气态氦用作惰性屏蔽气体。
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