会話トレ Drill: 製造業 Manufacturing
鍛造 (たんぞう)、フォルシング
forging
主な原因 (omona gen-in)、要因 (you-in)
contributing factor
a contributing factor
Issues contributing to this problem
この問題の原因
絶縁体
insulator
an insulator
insulation
絶縁
a contributing factor
Issues contributing to this problem
この問題の原因
an insulator
insulation
絶縁
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