frost action 中文意思是什麼
frost action
解釋
冰凍酌-
It may also provide drainage and give added protection against frost action when necessary.
它具有排水作用,但在需要時也增加保護抗凍作用。 -
But during the caring age, if the concrete do n ' t experience the low temperature action of frost - resisting critical strength, its strength will decrease
但若混凝土在養護期內沒有達到抗凍臨界強度受到低溫作用,其強度將降低。
分享友人