GB/T 12459  同心异径管 DN 80×65-Sch160RCF1

DN 80×65-Sch160 RCF1

PL3-16 RF0Smpamp-1

SO450 (B)-10FM/f d550-1.6

2 B4

WN100(B)-16RF S=4

SO 500-150 RF2-15F54fF Sch40S40-900 L

WN 100-300 RF Sch40S60S

WN70-150RFh0-106/0 RJ Sch80 Rf0@RF Sch

WN200(B)-150 RFF0

WN 8"-150 RF S=B=193.7106fF D=620 K=