GB/T 12459  弯头 DN 150-1290ES

DN 150-12 90ES

WN 150-300 RF Sch40S

WN150b-40mpam5 RJ@10SaRFB)-25 RFc@R1am

DN1200-PN10 PL RF Ⅱ

PL 300(B)-6 RF10/0f1-ch413H=144RTT/s=3S

WN150B-40RF S=62.5/da S0RF6rRFampC=16 H=4RF1=1

SW 1/2"-150 RF

3 RF 300-1.6 δ0=6

法兰 WN25-40 RF

PL 250(B)