和发电机是效率不足以运行的各种电气负荷(10 - 20安培)，包括额外的低电流运行此蒸汽反应。
AND the alternator is efficient enough to run the various electrical loads (10-20 amps), including the additional low current to run this vapour reaction.
试验表明：可调卫燃带对改善锅炉低负荷时炉内温度分布及提高燃烧效率具有十分明显的效果。
The results prove that the movable heat insulate layer has obvious effects on improving the temperature profile in furnace and combustion efficiency of coal fired boiler at low load.
轮式拖拉机特别是小型轮式拖拉机在田地进行重负荷作业时，牵引附着性能差，驱动轮滑转严重，造成牵引效率低、油耗大是普遍现象。
Wheel tractors, especially small wheel tractors have some well-known disadvantages such as poor traction performance, driving wheel slipping, low traction efficiency and high fuel consumption.
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