法兰 PL 300-10 FF aa=3

pl300-10ff aa=3

WN250-900 TJ Sch40S

wn200-150 rf　sch40s s=8S=12=4.5-57.5=8.0F Sch80 h=109.

pl350-10rf f1=4

WN300(B)-25 T

so400b-16g

WN150-63RFCH800s=3.91200G1 wn3006-6RFÂ

WN 15-16 RF S=S=3F S=4.00 FM.5f0500-6f-=1600-6

WN250(B)-16m3rrf b=5 B1=1655