| 1. | As operating devices, perpetual-motion machines are the province of crackpot science and science fiction .
作为工作装置来看，永动机属于科学空想和科学上的杜撰。 |
| 2. | Hydraulical excavators - bushes of the equipment
液压挖掘机工作装置用轴套 |
| 3. | Hydraulical excavators - shafts of the equipment
液压挖掘机工作装置用销轴 |
| 4. | Transient dynamic response of work device of hydraulic excavator
单斗液压挖掘机工作装置的动力学响应 |
| 5. | Open systems interconnection : guide to operation of an x . 25 interworking unit
开放式系统互连: x2 . 5交互工作装置操作指南 |
| 6. | The microcomputer - controlled teaching and playing back controlling system of hydraulic excavator
液压挖掘机工作装置运动轨迹的智能控制及示教再现 |
| 7. | Earth - moving machinery . methods of measuring the masses of whole machines , their equipment and components
土方机械.整机及其工作装置和部件的质量测量方法 |
| 8. | Realization and analyse on relative - pressure relief technique in bulldozer operation device hydraulic system
推土机工作装置液压系统差压溢流技术实现与分析 |
| 9. | During the middle ages people began to seek devices and methods of work that were more efficient and humane
中世纪人们开始寻找更有效更人道的工作装置和方法。 |
| 10. | Earth - moving machinery - symbols for operator controls and other display . part 2 : specific symbols for machines , equipment and accessories
土方机械司机操纵和其他显示符号第2部分:机器工作装置和附件的特殊符号 |
