positive proof

短語詞組

短語

• positive proof proof positive 確證
• proof positive 鐵證;鐵證如山;有利證據(jù);確鑿的證據(jù)
• positive pressure explosion -proof 正壓防爆
• Positive pressure explosion -proof house 發(fā)明名稱
• proof -positive 確鑿的證據(jù)
• Positive -pressure explosion-proof house 發(fā)明名稱
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