GB/T 12459  弯头 DN 25-2.990ELRF0Srf b1c4FF BB5/6FF080(a)-150 r000Rrf h-36SCH10sf@RF

DN 25-2.9 90ELRF0Srf b1c4FF BB5/6FF080(a)-150 r000Rrf h-36SCH10sf@RF

WN 50-40 rf

LWN 25(B)-25 RF H=180ampampampampwd

PL 150(B)-25 FF

PL25(A)-16 RF突面

SW 40(B)-63 RJ

WN250-300TSch40RFiS2.5h41=0G¢�

SO300-150RF

SO150-150RF

jb/@47021 C-RF1000-0.6ms