No amount of cleansing or mineral water consumption can guarantee a clear skin.
再多的洁肤和矿泉水的消耗都不能确保光洁的皮肤。
In accordance with ferrous ammonium sulfate in water samples to calculate the amount of material to restore the volume of oxygen consumption, which was potassium dichromate titration reflux.
根据硫酸亚铁铵的用量算出水样还原性物质消耗氧的量，这就是重铬酸钾回流滴定法。
With the increase of the density, water consumption amount increases quickly but the water consumption rate decreases.
随着密度的增加，各种苗木的耗水量是递增的，耗水速率是递减的。
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