HG/T 20592  法兰 PL 1000-16 RFRJ S=4´=60 h=12

PL1000(A)-16RFRJ S=4´=60 h=12

WN 300-300 RF S=110000s805R=205t/

BL 600-10 RFpa DW

wn150(b)-16rf s=7.1-200=3.540-Sm633-F S=6.5rf3n25R=

WN 20(B)-16 RF S=31==575 S=32059F5-200

BL600-150Mm/008/Fasm350 RF10 fM-amF650R0fsch80

TH80-150 RF 80-N20-300RF6fs