controlled water usage 节制的用水量
Industrial water usage and conservation 工业用水节水
Water usage efficiency 水分利用效率
water usage for auxiliary produce 辅助生产用水
daily water usage 日常用水
water usage model 用水模式
ground water usage 地下水利用
present water usage 用水现状
Berendsen has reduced its water usage by 50 per cent.
贝伦德森已经减少了50%的用水量。
From this he can monitor lighting, heating, temperature, phone and water usage.
从而他可以监测照明、采暖、室温、电话和自来水使用情况。
More important, the U. S. has become more efficient in its water usage, says Solomon.
更重要的是，美国将有更高的用水效率，所罗门说。
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