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- Hard bearing dynamic machine 硬支撑动平衡机
- The cutter of the coal mining machine bears dynamic load varying with time during excavating coal. 采煤机截齿截割煤体时,截齿承受随时间而变化的动载荷。
- Currency hard bearing balancing machine for series 通用硬支承平衡机系列
- The results show that the bearing dynamic characteristics mainly depend on the rotational speed and ball material property at high speed. 结果表明 :与低转速工况时相比 ,高转速时轴承的动态性能不仅受预加载荷的影响 ,而且在更大程度上与转速和滚珠材料特性有关 ;
- In order to ensure locomotive running security,locomotive bearing dynamic detection system has been used in locomotive depots,locomotive manufacturing works and bearing manufacturing works. 为了保证机车的安全运行,机车轴承动态检测系统已推广到许多机务段、机车工厂和轴承制造厂应用。
- Bearing dynamics of the runn ing unit can be analyzed also.The method can be easily applied to turbo generat or units. 该方法在现场很容易实现，可以对运行机组进行实测，具有非常强的实用性。
- Dynamic Analysis of a Dynamic Machine Foundation 某动力机器基础动力学分析
- 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。
- C.W Lee,S.W.Hong Identification of bearings dynamic coefficients by ballance response measurements,Proc.Instn.Mech.Engrs,Vo1.2,1989. 钟一谔，何衍宗，转子动力学，北京：清华大学出版社，1987。
- Code for Dynamic Machine Foundation Design 动力机器基础设计规范
- I hope your hard work will bear fruit. 我希望你的辛勤劳动会有成果。
- I major in engineering, but this machine is hard to handle. 虽然我学的是机电专业，但这机器还是很难修。
- 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。
- Study of Road Petroleum Asphalt by Dynamic Machine Analysis 道路石油沥青动态热机械分析研究
- 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。
