NB/T 47065.1  支座 A 11356 R

2 A11356 R

wn50-1500 fm sch40 a=

BL175-16RFFM80F82-R

1 FF 550-0.6 δs=4

SW 40-16 RF

DN 400-Ⅱ-10 90EL

PL 20(B)-16 RF

WN 1/2"-150 RF Sch80S

PL200-16RFH6

LWN500-25 Mt;-150 RFR5 RJj@5c2@RF3500rfSC1RF S001@-R-16 RF5@F SRF@441671��@RFF@FF-R0M2FF