GB/T 12459  偏心异径管 DN 125×15-Sch80RE� rf/SCH4h40RF

DN 125×15-Sch80 RE� rf/SCH4h40RF

SO 500(B)-40 RF50-4.0CH40Sذ–â

47023 FF600-6.4 Dampampampah80r/5

WN 1/2"-150 RF Sch40S

BL FF 10K 65A

WN 2"-150 RF Sch40S

PL16-150RF S010RFRFS1606

SO 65-150 RF

WN125(B)-25RFS1=1/H2=hpe5yz5B) 1

wn200(b)-