GB/T 12459  同心异径管 DN 400×300-Sch10SRC δ=5LT Sch80

DN 400×300-Sch10S RC δ=5LT Sch80

SO25-150RFB=螺纹d=9

WN15(B)-160RFwd=

LWN 25-300 RF B=24 H=194

47023 FM1500-4.0/mpampampampampampampsRs4-1

so15-150RFSC20M D=150 C=23

WN15-100RF SCH403�SF00-RF MF.5�1.J-16

wn125(A)-16 RFF Sch2=157m10 RF6

47021