例句與造句

1. Sync check relay a sync check relay is an electrical device that monitors the phase relationship between two voltage sources and provides a signal when the voltage sources are within specific preset parameters
   同步檢查繼電器同步檢查繼電器是監(jiān)測兩個電壓源之間的相位關(guān)系的電氣設(shè)備，如果電壓源間的關(guān)系在預(yù)定的參數(shù)范圍內(nèi)，它就會發(fā)出相應(yīng)信號。
2. It's difficult to find checking relay in a sentence. 用checking relay造句挺難的