使用元件必须配备调压变压器或可控硅调压器及电压、电流表和温度自动控制仪表等。
To use the elements you should prepare the adjustable transformer or silicon controlled transformer voltage meter current meter and autocontrol temperature meter etc.
一个交流的权力中心由一个可控硅功率控制器或控制器的外壳，包装一或无电压匹配变压器。
An ac power center consists of a SCR power controller or controllers, packaged in an enclosure with or without voltage matching transformers.
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