法兰 BL 250-25 RF 0-1.0F .540 RF S=3.

BL250-25 RF 0-1.0F .540 RF S=3.

WN 50(a)-40 RF-f/B=2476 RFX=Y B=250rf-2009PL32(B)-16 RF

SOP FF 20K 40Arf5SDL090-

pl 500-10rfRF SCH401/

pl350-6rfO32-16

WN400(B)-16RF

WN250-150 RF Sch40s5/6/

bl50-10 rfRF f95276 s/

wn600b-25fm2D=105ch80 S=8fRF0-1.6-6 rf