弯头 DN 100-Ⅱ-390EL109P 16Mnh4/

DN100-Ⅱ-3 90EL109P 16Mnh4/

pl100b-40rf.60-2.5FFRF6Se05SDL09 so 400(b)-16 f3.5mm 16mn hg

wn400-600 rj

so100-10RF(B)

PL150(B)-40 RF d=2

PL500(B)-16RFHG/-0 FM1001.256rf.4Rf h1=12 a=1

WN 9000-300 RF

PL 600(B)-6 RF500-1.0 FFh6/.0/42 δ0=8=12R

PL25B-16RF