use less water 少用点水 ; 节约用水
Less water in boiler 锅炉缺水
less and less water 越来越少的水
less water pollution 较少的水污染
less-polluted water 微污染水
Use less hot water 减少使用热水
Drink less bottled water 少喝瓶装水
They give people shower heads and toilets that use less water.
他们给人们较少用水的淋浴喷头和马桶。
They must offer higher yields but use less water, nitrogen-rich fertilizers or other inputs.
新作物的产量必须更高，但消耗更少的水、富氮肥料或其他投入。
Many have been attempting to conserve water by irrigating less frequently or by switching to crops that require less water.
许多人试图通过减少灌溉频率或改种需水量更少的作物来节约用水。
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