water-retention

常見(jiàn)例句

My friend says that I have a water-retention problem.
我的朋友說(shuō)我有保水的問(wèn)題。
The influencing factors of water-retention rate are analyzed and testing parameters are determined.
設(shè)計(jì)了真空吸收法實(shí)騐裝置，利用該裝置測(cè)定的保水率與傳統(tǒng)濾紙法進(jìn)行了對(duì)比。
ASP has high water-reducing rate and low slump loss, but it is expensive, and the water-retention of concrete is bad, which limit its application.
氨基磺酸系高傚減水劑ASP的減水率高、坍落度損失小，但價(jià)格較高、混凝土保水性差，限制了其應(yīng)用。