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| 21. | a device incised to make an impression; used to secure a closing or to authenticate documents. |
| 一种压入产生印痕的装置；用于保护封闭口，识别文件。 |
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| 22. | The protective functions will initiate a unit in the event of an abnormal condition which would jeopardize the safety of major equipment or personnel. |
| 在对主要设备或人身有危害的状态下,保护功能启动脱扣装置。 |
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| 23. | Electrical installations of buildings--Part 4: Protection for safety Chapter 42: Protection against thermal effects |
| GB16895.2-1997建筑物电气装置第4部分：安全防护第42章：热效应保护 |
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| 24. | 3、 屏蔽层在零序工作状态下的电抗值低，有利于新型短路自动保护设备的应用，有利于电缆及其相关设备的安全运行。 |
| The reactance of the shield in the zero sequence state is low, which is helpful for the application of new type automatic protecting equipment with short circuit, and the safe running of the cable and other relative equipment. |
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| 25. | Magnesium tank saver - provides anodic protection against corrosion of the tank due to electrolysis. |
| 镁质内胆节能装置---这种装置能够提供阳极保护,防止电解作用对内胆造成的腐蚀破坏。 |
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| 26. | In Slideshow ScreenSaver, you can select image files from your handset, and use them to create a screensaver. |
| 在幻灯片屏保程式装置中，可从手机选择图像作屏幕保护设置。 |
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| 27. | A device for holding a razorblade, with guards to prevent cutting of the skin. |
| 剃刀架一种安装剃刀的装置，配有保护皮肤防止刮伤的保护装置 |
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| 28. | a device inserted in a power line to protect equipment from sudden fluctuations in current. |
| 插入电力线中以保护电流的突然波动造成的伤害的装置。 |
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| 29. | A device on a foil, sword, or knife that protects the hand. |
| 护手钝头剑、剑或刀上的保护手的装置 |
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| 30. | batching apparatus |
| 卷取装置;卷取装置;配料装置 |
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