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- The development of thermal spraying coatings to replace of hard chromium electroplating was reviewed. 摘要综述了近年来热喷涂技术替代电镀硬铬的研究进展。
- The cause of pitting appeared during hard chromium plating is pitting corrosion occurred on matrix local surface. 镀硬铬时出现麻点主要与基体表面局部产生点蚀有关。
- The effect of heat diffusion treatment on wear-resistant properties of the electroplated hard chromium coat were studied. 研究了热扩散处理工艺对电镀硬铬层耐磨性的影响。
- Because of hard chromium plating with cylinder block of mini aero-engine,the hard machining of process of grinding is a key which affects its performance. 某小型航空发动机气缸体由于缸孔采用硬铬镀层,使其内孔磨削成为制约该型号发动机性能的关键工艺。
- Good EDM production reducing the risk of cracking during production..Optimum polishability and photoetching properties suited for nitrding,hard chromium plating &PVD coating. 抛光性能和光蚀性能甚佳，适合氮化、镀硬铬和物理学气相沉积等。
- Adhesion between nickel deposit and decorative chromium deposit, decorative chromium deposit and hard chromium deposit was impr oved by strike plating, through rational arrangement of anode plate. 合理布置阳极板实现冲击镀以提高装饰铬层与镀镍层，硬铬层与装饰铬层间的密着性。
- A process of alkaline hard chromium plating on aluminum alloy was presented, including oil removal, dipping in heavy metal solution, acid pickling, dipping in zinc solution, hard chromium plating. 提出了一种铝合金碱性直接镀硬铬工艺,包括除油、重金属、侵蚀、锌、硬铬。
- A Failure Case of Hard Chromium Plating 镀硬铬故障一例
- Hard Chromium Plating on Bearing Steel Parts 轴承钢零件镀硬铬
- Hard Chromium Plating for Different Kinds of Parts 不同类型工件电镀硬铬
- Hard chromium plating on aluminum alloy 铝合金镀硬铬实践
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
