片语
confirmation确认;证实;证明;批準
certification证明,鑒定; 出具课程结业证书,颁发证书
rain proofness防雨性
water proofness水密性
demonstration示范;证明;示威游行
rub proofness耐磨程度
Explosion proofness防爆
evidence证明
grease proofness防油性
fool proofness运转可靠
authentication证明;鑒定;证实
moisture proofness防潮性
flame proofness防火
rot proofness耐腐性