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Subject: load/off load контекст:compressor starts be pressing the start button. once started after a few seconds in star connection it changes over into delta connection (load/off load solenoid valve energises). when max operating pressure set is reached compressor goes off load (load/off load solenoid valve de-energises). не могу понять то, что написано в скобках. буду очень признателен за ответ:))))) |
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