GB/T 12459  异径三通 DN 65×65×25-5.16TR8 Scmp RFF-

DN 65×65×25-5.16 TR8 Scmp RFF-

bl150-10rjRf026-2

LWN 40-600 RF B=60 S=3-6

wn65-900rjР°в

bl150-150rf 300A=270 hFM 50592-200

PJ/SE 20(B)-25 RF0RFР в

LF/SE200-150 RF h=rf s0 RFm6 RF

HP-1-8 δ=8 DN=1600

BL15-300RFmpГҜШҹВҪ5

47023 fm900