短语词组短語pulse -firing control 脈動燃燒控制pulse chain firing 脈沖鏈觸發pulse infusion shot firing 注水爆破magnetic field pulse firing circuit 磁性點火電路firing pulse 啓動脈沖;[電]點火脈沖;觸發脈沖;爆炸脈沖firing pulse frequency 點火脈沖頻率firing g pulse 啓動脈沖 返回 pulse firing