High pressure will cause an over rich mixture, excessivefuelconsumption, and such troubles as fouled spark plugs, rings, and valves (from excessive carbon deposits).
气过浓，燃油消耗过量，以及造成火花塞、活塞环、气门的堵塞(因积碳过量)。
2
In the light of the problem of excessivefuelconsumption in hydraulic torque converter drive of mechanical drilling RIGS, experiments on the hydraulic coupling transmission are conducted.
针对机械驱动钻机液力变矩器传动消耗燃油多的问题，开展了液力偶合器传动的试验。
3
The excessive air coefficient, flue gas emission temperature and fuelconsumption are three major factors affecting the heat efficiency of the furnace.