GB/T 12459  弯头 DN 125-6180ES�¸3oruR0s702116 rfF

DN 125-6 180ES�¸3oruR0s702116 rfF

so 20b-25 gF0/m56r

A BL1100-600 RF

BL80-300 RF D=209.5 K=168.1 C=26.8 f1=1.6 L=22.3

WN 100-150 RF Sch.40S

WN80-25RF S=10.5 &ampampampampampampnbsp

PL80-40FF AA=94

WN15-2500 RJ S=11.1

WN50-600 RF sch80s

WN65-90