duplex film英 [ˈdjuːpleks fɪlm]美 [ˈduːpleks fɪlm]双重膜化学双语例句Prolonging the Service Life of Edge-Cutting Die by Duplex Treatment of Plasma Nitriding-PECVD TiN Film离子氮化-PECVDTiN膜复合处理提高切边模具寿命研究