- primary power resource
- primary power source
- primary power supply
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一次电源的英文
例句与用法
- Double forward converter ( dfc ) has many advantages , such as inherent anti - break - though capability , auto clamping the switch voltage etc . regarding the excellent reliability , dfc is one the most widely used topology in the industrial applications , especially for low output voltage area , such as telecommunication energy systems and welding power supply
双管正激变换器具有内在抗桥臂直通的优点，能使开关管上的电压自动箝位在输入电源电压。由于其可靠性高，电路设计简单，因而成为目前在工业中应用最普遍的变换器结构之? ，特别是适合于输出电压较低应用场合，比如通信系统中的一次电源和弧焊电源。