GB/T 12459  弯头 DN 40-Sch4090ES�10s/

DN 40-Sch40 90ES�10s/

WN 150-300 RF Sch100

47023+fm600-2.5/@bii 1000quot50RF/84-4-F2M0-20

BL20-16mGSh0RFe6RFS.F-1FFδ=600-0.6

BL 200-16 RF n=16

SO 2"-150 RF

WN 300(A)-16 RFg3-116l5RF C=

WN2"-300 RF Sch10SC R

WN100-25RF S=10.5 &;a000-1

PL8