GB/T 12459  弯头 DN 100-Ⅱ-1390ES.sc7 RF5RF0-

DN 100-Ⅱ-13 90Es.sc7 RF5RF0-

BL 1100-150 RF

wn40-150 rf sch40 a=60.1 s=3.1/62.80B

WN 150-300 RF Sch40S10

PL40(B)-16 RF 10件F B=

SO65-150RFO00s5F60

wn50-40RF Sch40-25 FMSch80S16 RFmi1/t10

WN100-300RF'7/ Sc

pl40(a)-40 mWN100-900 RFB)2080S0-1.0220

WN