Revising ASTM standard to show specific rope, other equipment and procedures.
修改ASTM标准，制定了有关绳索、其它设备和步骤的要求。
ASTM electrical standard is a absolute system.
ASTM的电工钢的标准是单独成体系。
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。
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。
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