NB/T 47065.1  支座 A 646

2 A646

2 A3

BII 2600=6RF1

WN40-40RJ.5

WN 150-300 RF S=11

bl 500-25 m0 RF00/@5@0RFSc.5@4RF@AFF@PFF

WN 1 1/2"-900 RJ Sch40S

PL395-16RF2@ Ⅱ5 RJ R��Mfs2@RF@4RFh4000-6

PL 40(B)-10 RFδ

WN 450-300 RF S=15-16 RF5 RJ2h1R-10RF@5c2@RF@443RFfRFF-RFWN