核﹝炉﹞心变更 alternating of the core 交流电磁 alternating-current electromagnetic 交错梯度聚焦 alternating-gradient focusing ..
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alternating-current electromagnetic pump 交流电磁泵 ; 交流电磁帮浦
alternating-current electromagnetic relay [电] 交流电磁继电器
Analyse principle of operation, technology feature of single-phase alternating current induced liquid metal electromagnetic pump wave soldering machine.
重点分析单相交流感应式液态金属电磁泵波峰焊接设备技术的工作原理、技术特征；
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。
The design is adapted for manufacturing various alternating current-direct current electromagnetic relays.
该设计适用于制造各种交直流电磁继电器。
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