光滑的水泥地面对比与现有的红老年质量橙色砖，白手绘内墙创建亮度的口袋。
The polished concrete floor contrasts with the aged quality of the existing reddish-orange brick; white-painted interior walls create pockets of brightness.
在建筑工程中，水泥地面施工发生的空鼓开裂问题是影响施工质量的难症。
In construction project, hollow bed in the operation of cementitious ground is a difficult problem which is not so easy to be surmounted and always affects the operation quality.
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