This may sometimes be accomplished by choosing such conditions of precipitation that the supersaturation is not too great.Gelatinous precipitates are hard to filter and purify by s washing process.是什么意思_This may sometimes be accomplished by choosing such conditions of precipitation that the supersaturation is not too great.Gelatinous precipitates are hard to filter and purify by s washing process.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句