K-type thermocouple, contactless switch relay, limit unit.
型热电偶，非接触型继电器开关，极限装置。
Its main return circuit adopts thyristor contactless switch, so can turn off circuit quickly, precisely and reliably.
该系列点焊机主回路均采用晶闸管无触点开关，电路关断时间快、准确、可靠。
The main electrical circuit adopts the diode thyristor (SCR) contactless switch, to make sure the circuit switch time rapidly, accurately.
电气主回路采用二极管可控硅无触点开关，电路开关时间迅速，准确。
Use the thyristor as switch devices in researched and produced new type contactless power stabilized voltage supply.
在所研制的新型无触点电力稳压器中，采用晶闸管作为开关器件。
Use the thyristor as switch devices in researched and produced new type contactless power stabilized voltage supply.
在所研制的新型无触点电力稳压器中，采用晶闸管作为开关器件。
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