non-linear energy-saving lamps 非线性节能光源
Until yesterday when, concerned by the news that Brussels is imposing a ban on non-energy saving lightbulbs next week, I telephoned Peter Jones in central London to ask if they had any in stock.
因为看到布鲁塞尔将从下周起禁用非节能灯泡的新闻,我打电话给位于伦敦中部的Peter Jones公司问他们是否还有存货。
Catalytic oxidation technology in the treatment of dye effluent is an extremely valuable subject, which is of high efficiency, energy saving and non-second contamination.
催化氧化技术处理染料废水是一个具有价值的课题,该方法具有高效、节能、无二次污染等优点,引起了广大学者的关注。
The high boiling solvent (HBS) method is a pulping process of wood and annual plants with saving energy, saving resources and non-pollution.
高沸醇溶剂(HBS)法是一种适用于从木材、草木秸秆类原料制备纤维素与木质素,且具有节能、环保等众多优点的好方法。
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