argon tungsten-arc welding 中文意思是什麼
argon tungsten-arc welding
解釋
鎢極氬弧焊接-
One - side welding and double - forming welding procedure of ta2 argon tungsten - arc welding
2的鎢極氬弧焊單面焊雙面成形焊接工藝研究
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