一些美国人加油系统回家均匀。
研制一种针对矿山电动轮汽车的高效加油系统就变得尤为重要。
It becomes important that a kind of high efficient refueling system for the electric-wheel truck is developed.
采用优化设计的方法对某飞机加装地面压力加油系统的加油接头舱进行设计。
Optimization method is adopted to design a cabin in which a junction is fixed in the course of adding the ground pressure refueling system to an aircraft.
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