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A device for burning or chemically altering unburned or partially burned carbon compounds in exhaust gases.
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排气后燃器用以充分燃烧或从化学上改变废气中未完全燃烧或部分燃烧的含碳化合物的设备 |
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A device for converting electromagnetic radiation in the infra-red, visible and/or ultra-violet regions of the spectrum into an electric current.
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一种把下述光谱范围内的电磁辐射转换成电流的装置：红外线、可见光和／或紫外线。 |
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A device for converting energy form one form to another. In relation to computers, the term is applied to a read/write head, to detector of sector marks in a magnetic disc system, and to electronic/sonic pulse converters of delay line memory.
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把能量从一种形式转换成另一种形式的装置。在与计算机有关时，这个术语用在磁盘系统中的读／写磁头、扇面标记的检测上，以及用在延迟线存储器的电子或声波脉冲变换器上。 |
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A device for counting the number of red blood cells in a blood sample.
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红细胞计数器血液中用来计算红细胞个数的一种装置 |
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A device for guiding a tool or for holding machine work in place.
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夹具，装配架导引工具或使机器固定在适当位置上运转的设备 |
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A device for igniting the charge of a firearm.
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枪机一种用来点燃火器中火药的装置 |
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A device for indicating wind direction.
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风标用来显示风向的设施 |
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A device for measuring the work capacity of a muscle or group of muscles during contraction.
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测力器用来测量在收缩中某一块肌肉或一组肌肉做功能力的装置 |
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A device for projecting sound waves, as in a loudspeaker.
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角状扩音器一种用来产生声波的装置，如扬声器 |
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A device for protection from the weather consisting of a collapsible, usually circular canopy mounted on a central rod.
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雨伞用来防风雨装置，由某在一根中心柱上的可折收的，经常是圆形的罩蓬构成 |
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A device for recording, measuring, or controlling, especially such a device functioning as part of a control system.
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仪表，仪器用于记录、测量或拉制的装置，特别是作为控制系统部分的此类装置 |
