NB/T 47065.1  支座 A 4480

47065.2 A4480

DN15-PN63 WN M Ⅱ S=5

pl25-16rf b=2scSch

3 CM 300-0.6

wn400a-25 rfMRF80

BL 20"-150 RFRF�� RJ

SO 25(B)-16 RF

PL100B-10RFВҙ

PL 500(A)-10 RF D=670 C=2

WN 150(B)-40 RF δ0=16.0 RFch160 RF Sch646501500RF SchRF 25RFRFn=sfFmxi-1259