法兰 BL 450-10 RF d=565 k=530 d=4

bl450-10 rf d=565 k=530 d=4

20615 WN600-150 RF S=120r-1.6=2.5R

pl100(b)-40fm60.8h1

WN 250-150 RF Sch1RF1

bi 1800592-200

WN25(B)-16 RFs=2 d

WN 400-600 RF Sch80S5

PL100(A)-10RFSch20s6040f170-16D= S=ni120

WN40-300RF S-5.3.

WN250-600 RFS=ch42=rf-1/;amp;