HG/T 20592  法兰盖 BL 32(B)-63 RFT0RF26h40/R

BL32(b)-63RFT0RF26h40/R

WN 200-150RF S=005RFδ0=810p

WN25-40T S=4-

3 B4sch201.i1RFRFch40 Ss RF S=82 hg/forum.htm�-1500 FM

WN 50-150 RFmpampam

pl40(A)-10FFSch40S405ch160.5.6FM 800-6.40RJ& RF Sc

3 RF 2200-2.5 δ0=10

1 FM500-0.6/40 s=10

B WN 32"-