[KongchangAI]
Unverified80% confidenceCautionTime unknown

马赛克和小尺寸砖缝隙多、填缝剂占比大,应避开强酸强碱选中性泡沫型清洁剂,减少对水泥基填缝的侵蚀导致脱砂掉粒

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Long-term
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