Coating by physical vapour deposition (PVD), coating by chemical vapour deposition (CVD) and surface layer modification by ion implantation, all three are being tested and are partly in use.
涂层的化学气相沉积(CVD)和表面层改性的物理气相沉积(PVD)涂层的离子注入，所有三个正在受到考验，并部分使用。
Among these, the ceramic blade has the distinct advantages of being long in operation time, stable in coating quality, high in coating quality, fine in paper surface and low in cost.
其中陶瓷刮刀运行时间长，涂布品质稳定，涂布面质量高，纸面细腻性好，在成本方面也有明显优势。
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