弯头 DN 50-Ⅱ-3.545EL0.616j s=8:25 T10.ch80r30-h80r

DN 50-Ⅱ-3.5 45EL0.616j s=8:25 T10.ch80r30-h80r

WN 100-25 FM

bi2500T205rjb)-40

WN50(B)-160 FM S=4=26°WN600-150 RF,A=628/

bl300-10rf gb/t9119-2010(0 ff

WN450(B)-40FM S=22

wn300-300ff=10RF S3.2 b=108

pl50(b)-16rf4ãƒâ/

WN80-600RFS=850 RF B=3

wn400-