法兰 PL 200(B)-16 RF3.5RF S=5B=30 b=3h40SM0-2.540SRF/

PL200(B)-16 RF3.5RF S=5B=30 b=3h40SM0-2.540SRF/

HG/T20592 BL65-40M

3 RF 500-1.0

WN250-300 RF S=12

WN250(B)-25 RFRF-0.60.ampampa6 r

WN 150-150 RF S=7.1

WN250-300 RF S=10

PL25(B)-16RFd=66

WN 50-150 RF S=4

47022 RF1600-0.6

BI 90040-2-1-0.

20592BL400-16f