常見例句雙語例句After emulsifier's ratio was selected, water quality and co-emulsifier had synergetic effects on physical stability of beta-cypermethrin 45EW.確定乳化劑配比后，水質和共乳化劑對體系物理穩(wěn)定性的影響是協(xié)同作用的結果。Grade-Ⅰ fly ash has become an indispensable additive of low-strength and high-performance dam concrete, and its water demand ratio is an important quality index.Ⅰ級粉煤灰已成為低標號高性能大壩混凝土的一種不可或缺的摻合料 ，粉煤灰的需水量比是其品質特征的一項重要指標。Increasing the air-water ratio can alleviate membrane fouling, but under a settled water quality, the velocity of reducing membrane flux is very limited by increasing air quant…大的氣水比有利于減輕膜的污染，但在一定的水質條件下，增大曝氣量所引起的膜通量減少速度是有限的； 返回 water-quality ratio