Comparing with the conventional medicament such as alcohols, aldehydes, the advantage of this depressant is that its dosage is small, its water-solubility is nice and the depressant rate is high.
这种缓蚀剂与常规药剂如炔醇类、醛类、及烷苯吡碇类等缓蚀剂相比具有用量少、水溶性好、缓蚀率高等优点。
And have demulcent effect good, with dosage little, hematic drug chroma is maintained constant wait for an advantage.
并且具有镇痛效果好，用药量少，血药浓度维持恒定等优点。
Because of variable void filter material, the system has the advantage of saving chemicals dosage.
由于采用变孔隙滤料，该系统具有用药量省的优点。
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