asbestos-containing material 含有石棉的建材 low risk asbestos-containing material 低风险的含石棉物料 friable asbestos containing material 环境保护 ..
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non-friable asbestos containing material 不松脆的含石棉物料
low risk asbestos-containing material 低风险的含石棉物料
friable asbestos containing material 环境保护
asbestos-containing e material 含有石棉的建材
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