air-hydrogen welding的意思|示意
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air-hydrogen焊接
air-hydrogen welding的网络常见释义
空气 ... TlG-arc welding 钨极惰性气体保护电弧焊 air-hydrogen welding 空气-氢焊接 submerged-arc welding 焊剂层下焊接 ...
氢焊接 ... TlG-arc welding 钨极惰性气体保护电弧焊 air-hydrogen welding 空气-氢焊接 submerged-arc welding 焊剂层下焊接 ...