结果表明：直流脉冲电源条件下取得的陶瓷膜比交流脉冲电源条件下取得的陶瓷膜更致密，因而具有更佳的耐腐蚀性；
The results show that the ceramic coating obtained under the condition of DC impulse source is more compact than that of AC impulse source.
结果表明，所设计的矩形波脉冲交流电源能够满足以上要求。
The result suggested that the designed rectangular pulse AC power supply could satisfy the requirements above.
该电源可实现变极性方波交流、直流、脉冲电流等多种输出。
The power can output several kinds of welding current such as variable polarity square wave AC, DC and pulse current etc.
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