By method of chain iteration, the amount of energy saving can be calculated with single variation of any one of four main factors.
进而用“连锁替代法”推导出上述四个因素单独变化带来的节能量。
Castaldi's process reduces the amount of water that needs to be heated in the gasifier, thereby saving energy, and is 10 to 30% more efficient than standard gasification.
卡斯塔尔迪的这一改进了的气化过程能减少气化炉中需要加热的水量，从而节省了能源，而且其效率相对标准气化过程提高了10%至30%。
Energy Saving: High efficiency synchronic motor, its consumption energy is only 60% of normal traction machine. It can save a big amount of running cost.
节能：高效率的同步电机，其消耗的能量仅为传统曳引机的60%左右，每年可节省可观的使用成本。
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