GB/T 12459  弯头 DN 125-790EL S328=27m5

DN 125-7 90EL S328=27m5

WN100-150RF700

bl 25-16 tSch40

wn200-25rfsch/F-16R00083/u10

WN50(B)-63RF HG/T20

WN25(B)-100 Rj0s9/D40 f

JWN 150×200-150 RF Sch40Srf5 B0MS=8mpampR/MXB-h0(B)-10 RFF2

BL 600-10 RF 带 ta

a105 h 900-2.56r

wn150(b)-63rf)300)-100