Engineers say it will take several days to replace and test that switch box to ensure fuel line heaters are functioning properly.
工程人员讲到，要耗费几天时间去更换和测试开关盒，以确保燃料管道加热器正常运转。 上周五，仅在发射前几小时，“奋进号”飞船的发射被取消了。
Fuel broken and belt transport system, configuration control box XL21 Series 4 face, broken fuel at the control room.
燃料破碎及皮带转运系统，配置XL21系列控制箱4面，置于燃料破碎控制室。
Fuel Tank Gauge, Fuse Box, Thermo Switch, Water Temp. sending Unit, Oil Pressure Switch, Horn, Sensor and so On.
油箱浮子，保险丝盒，温控开关，水温感应器，油压开关，喇叭，传感器等等。
The effect of gear box speeds number of the agricultural transport vehicle on fuel economy and power output has been studied by computer simulation in this paper.
利用计算机模拟探讨变速箱档位数对农用运输车经济性与动力性的影响。
It is also recognised that bulk density has considerable impact on gas quality, as it influences the fuel residence time in the fire box, fuel velocity and gas flow rate.
它也认识到，体积密度的气体质量相当大的影响，因为它影响在火灾中燃料的停留时间，燃油流速和气体流量。
It is also recognised that bulk density has considerable impact on gas quality, as it influences the fuel residence time in the fire box, fuel velocity and gas flow rate.
它也认识到，体积密度的气体质量相当大的影响，因为它影响在火灾中燃料的停留时间，燃油流速和气体流量。
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