法兰 BL 80-6 M/S= RFF S=

BL80-6 M/S= RFF S=

Bl200(B)-16 RF/

PL 1000-2.5 FF8000-

bii1700RF2.654h511-16RF5≥4-B6 RF D=1

B WN 700-300 RF S=21

WN450-150 RF Sch40 n=16RFF0R55/

so100b-16 RFch16mpqu00c3.N30T CF-

so500-600rf78 Sch80SCH60Sch8/0-63 RF=95 f3=5 d=0 RF0=

WN32-150 RF4702