法兰 RF 900-1.0 f1=325F S

pl50a-10ff51

2 RF 900-1.0 f1=325F S

47023 RF 450-1.040 RFS6Jrf d=5080 K=13

SO 50(B)-25 RFF5h405205 RF.4

a2800

WN150B-40 RF S=8FJsch40 d=10 FF S=6

WN25-63 RF S=3.3(B)-16RF-40Rf S=3.5 Sch80S

PL50-16FF B=65FF5

SO200-150fF-4041=3钢0

WN50-100RFS=线三�