ASTM D5848 Standard Test Method for Mass Per Unit Area of Pile Yarn Floor Coverings.
ASTMD5848簇绒纱线地毯单位面积质量的试验方法。
But it has no united IDS test method and evaluation standard by far.
但是到目前为止没有统一的IDS测试方法和评估标准。
But it has no united IDS test method and evaluation standard by far.
但是到目前为止没有统一的IDS测试方法和评估标准。
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