支腿 B5-1100-10 DN=1400 δn=10

NB/T47065.2 B5-1100-10 DN=1400 δn=10

WN450-300 RF Sch40S

WN 80(A)-100 RF S=8

WN200(B)-25RFM(B)-16 RF3/u00c6

wn250-150 rf s=12

20592WN600(B)-16RFS=10

wn200-900rf 20592-2/L8/1=512 rfF RF3

WN100-300 G S=3mm/

BL150-300G

WN 80(B)-25 RF RJF0-2.3=3 H=6011