法兰 PL 25(B)-10 FF D=Sc4/6 H=101

PL25(B)-10FF D=Sc4/6 H=101

bl80-300rf sS56600 RF水线500ch404.5-FF D=3rf sch40s

pL32(b)-10RFh400RFSJ150 rf b=1366-1

pl50-10rf ocr 18

so20(b)-16 rf b=35-16rf0 rf sch

PL32(B)-25fmrum.h=3

LWN40-150 RF H=270RF B=7 C=16 H=3FF0

PL100(B)-16 RF,h100-

023 RF