NB/T 47065.1  支座 A 9628

2 A9628

wn80-150rf+s=8.02

BL600-16 RF

bii 4696

A WN 36"-300 RF B=9.53pa

3 B5937

2 A1627

bl500-150rf/trackb0=175pampampam

BL 1/2"-150 RF

WN 3"-300 RF Sch40SB)-10 RFRF@443RF@AFF ScR-300PFR(B)-150 RF@40@RF Sch4040 Sch781078��� rf@ch