Unverified85% confidenceCautionTime unknown
空心砖、轻质隔墙、瓷砖美缝墙面不宜用普通膨胀螺栓，应选用中空墙专用蝴蝶锚栓或化学锚固胶，否则易脱落砸伤
1
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85%
Confidence
Long-term
Relevance
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