每經AI快(kuai)訊，記者(zhe)從航天科(ke)技集團(tuan)六(liu)院了(le)解到，我國(guo)自主研制的130噸泵后(hou)(hou)擺(bai)液氧煤油(you)火(huo)箭發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)今天（4月28日(ri)）完(wan)成四(si)機(ji)(ji)(ji)并(bing)(bing)(bing)聯(lian)點火(huo)試(shi)驗(yan)(yan)(yan)，發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)總推力超500噸，這是(shi)(shi)我國(guo)液體火(huo)箭動(dong)(dong)(dong)力發(fa)(fa)展史上推力最(zui)大、系統最(zui)為(wei)復雜的一次發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)點火(huo)試(shi)驗(yan)(yan)(yan)，也是(shi)(shi)首(shou)次大推力液氧煤油(you)發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)四(si)機(ji)(ji)(ji)并(bing)(bing)(bing)聯(lian)點火(huo)試(shi)驗(yan)(yan)(yan)，對四(si)機(ji)(ji)(ji)并(bing)(bing)(bing)聯(lian)方(fang)案進行了(le)“全面體檢”，為(wei)今年新型(xing)火(huo)箭首(shou)飛奠(dian)定了(le)堅實的動(dong)(dong)(dong)力基礎。 此次四(si)機(ji)(ji)(ji)并(bing)(bing)(bing)聯(lian)試(shi)驗(yan)(yan)(yan)，驗(yan)(yan)(yan)證了(le)泵后(hou)(hou)擺(bai)發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)多機(ji)(ji)(ji)工作的協調性(xing)和最(zui)大力熱環境下的工作可靠(kao)性(xing)，證明了(le)發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)完(wan)全具備了(le)飛行應(ying)(ying)用(yong)的條(tiao)件(jian)。試(shi)驗(yan)(yan)(yan)后(hou)(hou)，發(fa)(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)經檢測處理，將交付飛行應(ying)(ying)用(yong)。（央視新聞）