Uses alternating current coupling sensor to Intelligent monitor the dust pellet of the source of pollution.
采用交流耦合方式传感的污染源粉尘颗粒浓度的智能监测。
Electrical couplings promote the passage of certain signals but prevent the passage of others, such as an alternating current coupling that excludes direct current.
电子耦合器(联接器)能够使某些信号通过而阻止另一些信号通过，如阻止直流电流通过的交流耦合器。
The controller case includes stepping motor, self-coupling voltage regulator, alternating-current contactor, relay and micro-transformer.
控制柜主要包括步进电机、自耦调压器、交流接触器、继电器以及微型互感器等。
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