GB/T 12459  异径三通 DN 500×500×200-8TR80/dat S=3-

DN 500×500×200-8 TR80/dat S=3-

pl32b-40rfRF S105-c1-25rf4-600 RJ080F6F

BL 500-300 RF

DN700-PN25 WN FF II B=688

WN400(B)-10 Fm

BI 2400

WN450-300 RF

SO 1 1/4"-150 RF

5 M 500-2.5

SW 25-150 RFrce=61600-1�S=4.53 BўВ/0S=0 RJ/)-�°ر‘ر‘ذ°�