GA 222-1996 螺丝钉或持久性有机污染物的石膏板面的修复
GA 222-1996
行业标准-公共安全 强制性 已作废
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Fastener pops that appear either before or during decoration should be repairedimmediately. Those that appear one or more months into the heating season are usually aresult of lumber shrinkage and should not be repaired until the end of the heating season.
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