以下为句子列表：
英文: 18W/24W high power LED street light. With metal exterior casing.
中文: 24W高功率LED投射灯，具金属外壳，质感佳。
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英文: 36W/50W High Power LED Becon light. Outdoor usage power.
中文: 50W LED超高功率投射灯，户外可使用。
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英文: A single high power LED with integrated aluminum PCB for heat conduction. Drill holes available for screw mounting. Options including LED power levels, colors and color temperature (for white LED).
中文: 单颗超高亮度LED，加上散热铝基PCB板及螺旋固定孔，方便整合入各式产品之优质光源模组。
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英文: Abstract: IGCT is a kind of new ideal medium-voltage and high power semiconductor switching device.It has the advantages of high voltage,high current,low conducting loss,high switching frequency and easy sevies connection.Therefore it is suitable for medi
中文: 文摘:IGCT是一种新的理想的中压大功率半导体开关器件，它具有高电压、大电流、低导通损耗、高开关频率、易于串联优点，因此适用于中压变频，在煤矿具有广泛的应用前景。
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英文: Abstract: In the light of the problems of high power consumption and low working efficiency in a beam pumping unit, a new method for power saving of the unit is proposed, that is, adopting an optimum structure of the unit and decreasing the periodic load
中文: 文摘:针对游梁式抽油机能耗大，工作效率低的问题，提出游梁式抽油机节能的新方法，即在采用优化抽油机结构的基础上，通过改变电动机的工作特性和增加抽油机转动惯量的办法降低抽油机周期载荷系数。
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