¡¶RG-NBRϵÁзÓÉÆ÷9.17°æ±¾ÉèÖÃÊֲᡷÏÈÈÝÁËRG-NBRϵÁзÓÉÆ÷µÄËùÓй¦Ð§µÄÉèÖà £¬ÊÊÓÃÓÚNBR80/NBR300/NBR1100/NBR1100E/NBR1100G/NBR1200/NBR1200G/NBR2000/NBR2500/NBR3000¡£