GB/T 12459  异径三通 DN 25×25×20-Sch40STR300�80RF Sch80S5 RJ10rf12-5F- RF-1

DN 25×25×20-Sch40S TR300�80RF Sch80S5 RJ10rf12-5F- RF-1

SP-1 WN400-600RJ&ampa

WN80(B)-16 RF

LWN 25-150 RF BRF Sch40SF)--SwaF Ⅱb=4ฟ�2L RF ⅡbF0@0@0

20592wn150-40rf a1=159

SO125(B)-10FM0 d/-pl3r

WN 40(B)-40 RF S=6

2 CFM 1600-1.0 δ1=10

L