It is introduced to the actuality of waste water processing in food and fermentation industry in Japan., and the methods for economize on water and energy.
本文介绍了日本食品发酵工业废水处理的现状和采用的各种节水节能方法。
The stem seal of a feed water control valve uses expanded graphite packing in order to produce friction and to economize on energy for the control valve working.
电站锅炉给水调节阀的阀杆密封采用柔性石墨填料，既降低了摩擦力，又为调节阀的运行节约了能源。
The article introduces the automatic control of water level in acid water pool and its ease of operation and economize on energy.
本文介绍酸水池水位采用自动控制，便于操作和节约能源。
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