HG/T 20592  法兰盖 BL 150-6 RFp00fh1603RF H0c3/public/data/public/common/qq.png

WN15-600 RF B=142FF.5-3

WN RF 10K 250A Sch10S40S0.rf5 K=73rf0Rs=3�1

WN100-63RfF0-150RF0-1.6/crfor/1-)-6F16

WN 500(B)-25 RF

LWN 4"-150 RF Sch40S0.rf5 K=73rf0Rs=3�1

WN 32(B)-100 M S=4

WN200-300 RF Sch80rf0.rf5 K=73rf0Rs=3�1

NB/T47022CM800-1.