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

DN 200×125-Ⅱ-Sch20 RC

wn50-150rfãï¿

wn65(B)-25 fm

wn600(b)-16 rf s=26/Fp-201500-s/@wn100(b

SO65-300 RF

wn80(a)-150rf sch40 h1=11S=6 F-15

PJ/SE32-10 ff/

BL40-600Rjl6

WN40-16 RF S=3vq

wn50(b)-16r