The electric wedge type gate valve has small fluid resistance and light medium erosion.
电动楔式闸阀是一种做直线运动的阀门.该阀流体阻力小,密封面受介质的冲刷和侵蚀小.
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苏州市锦星电讯材料有限公司 ( 原吴县市东山星光电缆附件厂 ).
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When the end of the electric field vector travels in an ellipse, the light elliptically polarized.
电场矢量的末端沿一椭圆移动的光叫椭圆偏振光.
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They keep the light fixtures insulated with the HV series circuit to avoid electric shock accident.
同时,电路中某些灯泡烧坏时,隔离变压器的初级绕组可以保持串联电路的导通,使其它灯具仍能正常工作.
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In the middle of there is on bridge as the bright firedamp light like electric lamp.
正中梁上挂着一盏如同电灯般亮的沼气灯.
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He began to study the attempts of other men to invent an incandescent electric light.
他开始研究别人为发明白热电灯所作的尝试.
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Photodetectors are transducers that convert light into an electric signal.
光电探测器是将光转化成电信号的变换器.
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Gilbert discovered electricity, but Edison invented the electric light bulb.
吉尔伯特发现了电, 而爱迪生发明了电灯泡.
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His 6,000 inventions included the electric light bulb, the phonograph, and the mimeograph machine.
他的六千项发明包括电灯泡 、 留声机(唱机)和油印机.
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Marine conventional materials, instrumentation, the Marine Electric light bulbs.
船用常规物料, 仪器仪表, 船用灯泡用电器.
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