argon shielded arc welding 中文意思是什麼
argon shielded arc welding
解釋
氬護電弧焊-
Argon shielded arc welding
氬護電弧焊 -
Argon shielded arc welding procedure specifications and welding procedure qualifications for air separation plants constructed of aluminium alloys
鋁制空氣分離設備氬弧焊工藝規程及焊接工藝評定
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