基本解釋恒壓器同根派生 pressurestat相關(guān)詞英漢例句Keywords frequency-control stabilizing system;initial fire disaster;fire pump;pressurestat pump; 變頻穩(wěn)壓系統(tǒng);初期火災(zāi);消防水泵;穩(wěn)壓泵;pressurestat更多例句