水保持的英文

• water conservation

• 水:    water
• 保持:    keep; hold; retain; maintain ...
• 地下水保持:    groundwater conservation
• 注水保持压力:    waterflood pressure maintenance
• 有效水保持能力:    available water holding capacity

例句与用法

1. Keep the kettle at the boil .
   使水壶里的水保持沸腾。
2. Washing beforehand helps to keep the water in bath tub clean
   因为这样能使浴池里的水保持乾净。
3. Soil quality - determination of the water - retention characteristic - laboratory methods
   土壤质量.水保持特性的测定.实验室法
4. Yes , they can keep oil and water apart and keep the discharged water clean
   是的。它们可以使油水分开，从而使排放的水保持清洁。
5. For one thing they keep the water clean . also they make the tank look much prettier
   一则它们（水下植物）可以使水保持清洁，再则他们可以便水箱看起来漂亮些。