positive proof
短语词组
- positive proof proof positive 確証
- proof positive 鉄証;鉄証如山;有利証據;確鑿的証據
- positive pressure explosion -proof 正壓防爆
- Positive pressure explosion -proof house 發明名稱
- proof -positive 確鑿的証據
- Positive -pressure explosion-proof house 發明名稱 返回 positive proof