Diode rectifier to produce environmentally-friendly series of genuine commitment: genuine environmental standards.
生产环保正品整流二极管系列，承诺：环保标准正品。
The PWM rectifier technology, of which the uncontrolled diode rectifier is replaced by a controlled IGBT is used in this paper in order to overcome these shortcomings.
为了克服这些缺点，本文利用PWM整流技术，用可控的IGBT取代不可控二极管整流。
A printed circuit board having light emitting diodes and a diode rectifier bridge mounted thereon is retained in a recess formed in the base portion of the light reflector.
具有发光二极管的一块印刷电路板和装在上面的一个二极管整流桥被容纳在一个凹座中。
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