NB/T 47065.1  支座 A 1281

2 A1281

2 A4536

WN 300(B)-16 RF S=2343

47065.3 B1779

2 A6428

PL25(B)-16 RF BB=1/2-/ rfhR2/60wn1000-

47065.2 A3279

DN350-PN25 PL RF Ⅱ� Б■�F D=620-150 B=380FMRFh32

SO125(A)-100 RFF@b40S13t9F SC155

47023 t 600-1.0/Sc0RF=4.5LF-6.2300 RF S=157RF