HG/T 20592  法兰盖 BL 500-25 RF./06RF2.5ch160 rf0400-1. &AMSE Bt20592-

BL500-25RF./06RF2.5ch160 rf0400-1. &AMSE Bt20592-

WN 80(B)-63 RF S=20s

wn15-300 fm s=4mpam-80C=30ch4020100

SO 32(B)-16 FF C=16-17 H=28-29 b=4

WN 50(B)-63 RF S=40s

TH 1 1/2"-900 SG160s/RF02-5M 615=2C C)6.

WN 100-16 RF

BL 350-150 RF0RFF30h80/

HG/