等径三通 DN 50-Sch10STS C=5

DN50-Sch10S TS C=5

WN400-1500FMn25-15ampa

WN 80-300 RF01=6/80-1

PL80(B)-10 RFδ1=86C=43 H=1055rf017 w

法兰盖BL25-300 RF0/RF100300c3/u00a4500r.66 RF6 FM S=50

wn200(b)-100 fm00af RF/@WN15B-16Rs=

47023RF2200-2.5-10RF B=1

WN50-300RF00-2.5fm-1F

wn25(b)