社会:

“NLIC”是“National Lead Information Center”的缩写，

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“NCHH”是“National Center for Healthy Housing”的缩

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“BBC”是“British Broadcasting Company”的缩写，意思是

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“BBC”是“British Broadcasting Company”的缩写，意思是

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“PAR”是“Paint-Activities Regulations”的缩写，意思是

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“HEPA”是“High-Efficiency Particulate Arresting”的

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“WWC”是“Wall-to-Wall Carpet”的缩写，意思是“Wall-to-

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“WC”是“Water Closet (toilet)”的缩写，意思是“抽水马

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“CCPS”是“Child Care Providers and Schools”的缩写，

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“ASTM”是“American Society for Testing and

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