法兰 PL 250-16 FF11 rrf d/aS1.6/600.

pl250-16ff11 rrf d/aS1.6/600.

hg/t20592-2009pl50(b)-40rf/8

3 FM2600-0.6/5f)-10R2BŽÂ56.3 RF=4F5RF110-1

SO32B)-10 RFf bb=C=37-10=/

SO65-10RF/

so65-150 rf sch40s

47023 fm1500-1.6/84-195F A20

so100b)-25rfWN4’/s=12s

2b3dn=1400δn=10

BL 300-900 RF S/.5