NB/T 47065.1  支座 BⅡ 36876

BII 36876

SO 8"-150 RF

DN 100-Ⅱ-4 90EL

SO62-16RF��rj@F

PL65(B)-16 RF

2 A2234

wn15(a)-16 rf sch40

47065.3 B4401

2 A6765

BL 40-300RF-6 RF��“bl80-150 rf0R@4MRF@RF@41RF@RF@J0 RFb=b=F@.5RSB/@5@SSF0@RFJ@B-100 ff5 RJ6Rs=10.5RF Sch12.5 RJ-R�R