法兰 PL 250(B)-2.5 FF î´=69 h=136 î´0=160

PL250(B)-2.5 FF î´=69 h=136 î´0=160

WN200-16RF.0rfFFh.25/-4.0L25.

wn150(b)-63 rf 159*8 4件 RF.5/7

WN80(B)-25 Mfs

BI 700 h=

PL1250(B)-10 RF

so150a-25fm

WN250-10RFRF=75D/

wn80b-25fm

bl600-150rjS=300 sch80/u00e6/u0098/u00af-4M700-1)-

pl15