High pressure will cause an over rich mixture, excessive fuel consumption, 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)。

youdao

In the light of the problem of excessive fuel consumption 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。

youdao

The excessive air coefficient, flue gas emission temperature and fuel consumption are three major factors affecting the heat efficiency of the furnace.

过剩空气系数、排烟温度、燃料用量是影响加热炉热效率的三个主要因素。

youdao

"The construction of affordable homes will help curb excessive price rises and fuel urbanization, which will in turn unleash consumption and investment potentials and push development of related industries, " Mr. Li said.

WSJ: China's Population Shifts to Cities