NB/T 47065.1  支座 BⅠ 1140/

BI 1140/

WN40-63 RF

SO 200-150 RF

DN 100-Ⅱ-4 TS

WN100-40G01

WN200-150 RF Sch100

SW 40B-300 RF-

WN1000-150 RF

PL250(B)-10RF

WN 100(B)-100 RF)-16 RF s4-mph6 R0340PL0Mu2.5 RJ-RRFRF20 Scเนเ�Fs=3 2ذ¨آ·� S=7ذ² S0F TSRF+0.4/0.580S R0 s��