| 单词 | atomic-hydrogen welding |
| 释义 | > as lemmasatomic-hydrogen welding atomic-hydrogen welding n. (also atomic-hydrogen arc welding) Engineering a form of arc welding that uses an atmosphere of hydrogen, the hydrogen molecules being dissociated by the arc into atoms which subsequently recombine, generating intense heat. ΚΠ 1926 Gen. Electr. Rev. 29 160 (title) Atomic hydrogen arc welding. 1926 Jrnl. Amer. Welding Soc. Oct. 71 (heading) Atomic hydrogen welding. 1953 Science 23 Oct. 453/1 Atomic-hydrogen welding made possible for the first time the easy welding of aluminum, chromium, and other previously unweldable metals. 1969 New Castle (Pa.) News 15 July 22/6 He..worked on the research and development of atomic hydrogen welding procedures of airplane propellers. < as lemmas |
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