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1概述补偿收缩混凝土是用膨胀水泥,或在普通混凝土中掺入适量的膨胀剂配制而成的一种微膨胀混凝土。一般适用于地下防
1 Overview Compensatory shrinkage of concrete is the expansion of cement, or ordinary concrete mixed with an appropriate amount of expansion agent formulated from a micro-expansion of concrete. Generally suitable for underground defense