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- Application of the igbt variable frequency power supply in quenching process of engine crankshafts
变频电源在汽车曲轴淬火上的应用 - The status and future development tendency of adjustable - speed technology with variable frequency
变频调速技术的行业现状与发展趋势 - Research on two - stage compression variable frequency air source heat pump in cold regions
用于寒冷地区双级压缩变频空气源热泵的研究 - Semiconductor devices - mechanical and climatic test methods - vibration , variable frequency
半导体装置.机械和气候试验方法.变频率振动 - The ac vvvf ( variable voltage variable frequency ) speed regulation is a integrated technology
交流变频调速技术,是一门综合性的技术。 - Application of variable frequency constant pressure water supply equipment in lage - scale pumping station
变频恒压供水设备在大型泵站的应用 - The design of on - line three - phase input and output variable frequency uninterruptable power supply
在线式三进三出交流变频不间断电源的设计 - In the field of ac machines control , a strategy called variable frequency control is mostly used
在交流调速领域中,应用最广的是变频调速技术。 - Semiconductor devices - mechanical and climatic test methods - part 12 : vibration , variable frequency
半导体装置.机械和气候试验方法.第12部分:可变频率振动
Last modified time:Mon, 18 Aug 2025 00:29:56 GMT