GB/T 12459  异径三通 DN 350×350×125-Sch40TR5/58-1

47023m600-2.5 s=8/55-133m016C-1=14.2L=2fF

DN 350×350×125-Sch40 TR5/58-1

HG=T20592-2009BL300-25RF

WN200-600RF S=1065S=4

WN40-10fm0.G/T250Ram16RF54FF4.0/6

A WN50-150rf

WN10-100RF M25RFFRFB=0fchHG2RF s=15050-20 N=FsF5

BL 500-16 TFpampampampa

WN450-150