HG/T 20592  法兰 PL 40-40 RF0ssSCF HG.0M sch1f17aa=42.5 d=7725/78=44ƒ/11075 B320-25B)M

PL40-40RF0ssSCF HG.0M sch1f17aa=42.5 d=7725/78=44ƒ/11075 B320-25B)M

WN65-150RJb b

LWN25-150RFHï¼‌

WN200-25RF S=1

PL100(B)-16 FF D=0.6

PJ/RJ 50(B)-16 RF

3 RF 700-1.6 δ0=6

PL450-10 RFWN20

WN25-100 Rj S=60-1.000.

3 M 1000-0.620δ0=12K-1B-6RF0s20c6