弯头 DN 450-Sch4090ES WN903/public/common/qq.png

PL350-10RF B=37

wn250-900 rf r=2/

bl600(b)-6RForfRF-1

WN100-150 RF Sch40 A=114 S=500-2

法兰WN80-150 RF Sch40/T6ff S. b=h=40FS

PL40(B)-16 RF S=40ç›–bl200-/

47021 RF 1800-0.2510rf-0.62

47021 C-RF 1200-0.6¦Â°wn25-150rf-sch800 RF S

WN50(B)-16F