拆除建筑物会产生大量的废弃混凝土块，既带来环境污染，又造成资源浪费。
Removing the building will produce a large number of discarded concrete lump, not only bring the environmental pollution but also cause resources to waste.
建筑物新建或拆除过程中产生了大量的废混凝土，构成了建筑废弃物的主要组成部分。
A lot of waste concrete is generated in the process of building construction or demolition, forming the main components of construction waste.
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