NB/T 47065.2  支腿 a4 H1 S=6p.5 f3=3spæ

2 a40 H1 S=6p.5 f3=3spæ

WN 100(B)-16 RF

DN700-PN2.5 PL RF Ⅰ7.5 B=0 RF S=16Fch80@0�

WN350-63 RF/u00bc0RF SCH40S�n=10

DN50-PN16 WN F Ⅱ S=5 Sch80S@407.-Sch6ot

WN 80(B)-16 RF

BL500-16 RF)-16=640 asm0

BL300-16RF

ABL56-600 RFampaH R/615 wn40

BL600