positive proof
短語詞組
- positive proof proof positive 確證
- proof positive 鐵證;鐵證如山;有利證據;確鑿的證據
- 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
- Positive -pressure explosion-proof house 發(fā)明名稱 返回 positive proof