NB/T 47022  法兰 FM 300-1.0/592-00@�7.5 RJ-64010B

2 FM 300-1.059200@�7.5 RJ-64010B

法兰 wn25-150rf sch40

PL100(A)-10RFF SF

BL25B-16RF b=2.5 BB=35

JWN 50×80-150 RF S=5.54pamp;amp;amp;amp;amp;amp;achmpam==1

WN250-150RF &ampampampampampampnbspyun

bl200(A)-25RF0FF/50mM S d=1

SO 250(B)-25 RF

wn35