法兰 BL 500-6 FF

hg/t20592 bl500-6ff

pl600-6 rf

pl40(B)-10RF水线 f1=2.2

wn400-1500fmS=8FF

WN65-16RFS=4.5

PL250A-10 RFS R δ=48 h/

3 RF 600-1.00 R

WN600-600 rf SCH40S62-135R 1n80(b0/00959ch

pl400-6rf hg=t2059210okerservlet/in

WN25(b)-1500rj6.46 FM4.

SO 100(B)-10