GB/T 12459  同心异径管 DN 40×32-5RCⅡ-3 CRRF63 RFSch40 rf@40@S5 R6F Sch0AРҝв•ЎrfH10S16M SC

DN 32×40-5 RCⅡ-3 CRRF63 RFSch40 rf@40@S5 R6F Sch0AРҝв•ЎrfH10S16M SC

WN 125(A)-25 RF S=4

so600B-150RF00�5 RFF25 9/65-300m0-600 R

PL80(B)-25RF

3 FM 900-1.0 δ0=6

BL300-25M-300RF WN RFSC25M1 Sc-150RF3F16F0 SFMG150 ST40F0A@40

WN150(B)-300 RF

P