HG/T 20592  法兰 PL 32(B)-10 RF/data/src/public/public/blue/watermark.png

PL250-6ffF0

SO 50(B)-16 RF-2009/FH1

PL250B-16RF b=5h-1.6 δ=56 h=400F900-0.6R

SO 50-150 RFh-300 LG Sch0-16b=610150RFS2

PL250A-10RF Sch10Sh40 RF0F0-150RpaF Sch40F6r)-16 R G/20R

SO 50(B)-16 RF0-S/FF�..6.6/

SO 500(B)-10 RFfm700400R0cp250

SO 50-16 RF