1S纺粘无纺布=单层纤网热轧而成2SS纺粘无纺布+纺粘无纺布=两层纤网热轧而成3SMS纺粘无纺布+熔喷无纺布+纺粘无纺布=三层纤网热轧而成4SMMS纺粘无纺布+熔喷无纺布...