They save energy, increase efficiency, raise productivity and so help to keep costs under control.
不仅可以节约能源，提高效率，提高生产力，而且有助于控制成本。
The new calculation is reasonable and offer productivity under different water saturation.
该方法计算产能合理，并且可以计算不同含水饱和度下的产能。
The new calculation is reasonable and offer productivity under different water saturation.
该方法计算产能合理，并且可以计算不同含水饱和度下的产能。
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