NB/T 47065.2  支腿 a4-490Д‘Д№Г”Г==3

2 a4-490Д‘Д№Г”Г==3

47023FM 900-2.5/etM00rf00/aaa1s105 RF76.7i-16FFRF6 RFRF

WN 40-300 RF Sch40S1/ط°آ°ط¢آ ط°آ¢ط°â

SO 2 1/2"-300 RF

pl300-2.5 ff=000-1

wn50-300 rf b=42.82150 RF S=5.54�@� RJ RF��@��XFRF6B)5F&@t.5