The results expound that how to select engineering water saving mode and integrated matching technique for water saving agriculture in line with local conditions of Hebei Province.
该成果就河北省如何因地制宜地选择工程节水模式及节水农业的综合配套技术提出建议。
The method for synthetical evaluation of optimal choice on water saving irrigation mode is presented.
本文提出了用于节水灌溉方式优化选择的项目综合评价方法。
It replaces the conventional heating mode using steam and hot water and has the apparent advantages of energy saving low energy cost and so is an ideal heating equipment.
它取代传统的蒸汽、热水等加热方式，具有节能显著、能耗费用低等优点，是一种理想的电加热器材。
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