NB/T 47065.1  支座 BⅠ 2000600 M00 RFcRF51-

BI 2000600 M00 RFcRF51-

DN 100×50-Ⅱ-5 RE

WN 20"-150 RF Sch/00B= D54-34/9

SO 15-150 RF

BI 168

LJ 24"-150 RF Sch40S

BL 450-40M

WN20(B)-25 RF

WN50(B)-100MFFM5062258f8

SO 10-150 RF5(M10) f1=1 D=80.2 C=21.2�šÂ¬Ã-150 RF/006-0.6pδ0=20rum