This paper mainly discusses the design and the application of the IGBT phase lock control circuit controlled by the induction heating power supply.
本文主要介绍IGBT锁相控制电路在感应加热电源控制系统中的设计和应用。
The entrance leading to the outdoor coffee bar is in front of the elevator. For this entrance the access card is necessary (or the door lock control).
③电梯前室通向室外咖吧的出入口，从此出入口进出需要门禁卡（或门锁控制）。
The entrance leading to the outdoor coffee bar is in front of the elevator. For this entrance the access card is necessary (or the door lock control).
③电梯前室通向室外咖吧的出入口，从此出入口进出需要门禁卡（或门锁控制）。
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