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产品特征：绿色环保，有较强延伸性，能弥盖细纹裂缝；
Characteristics: Environmental friendly, strong extension rate, able to seal cracks and flaws;
youdao
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产品特征：绿色环保，有较强延伸性，能弥盖细纹裂缝；
Characteristics: Environmental friendly, strong extension rate, able to seal cracks and flaws;
youdao