| 单词 |
air entrainment |
| 释义 |
DictionarySeeentrainerair entrainment
air entrainment[¦er in′trān·mənt] (engineering) The inclusion of minute bubbles of air in cement or concrete through the addition of some material during grinding or mixing to reduce the surface tension of the water, giving improved properties for the end product. air entrainmentThe occlusion of air in the form of tiny bubbles (generally smaller than 1 mm) during the mixing of concrete or mortar; used to improve its workability. |
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