HG/T 21574  吊耳 SP-64

SP-640S

WN 3"-150 RF-16 WN4

1 RF 600-0.255

1 FF 1900-0.2520δs=16

3 M 1400-0.2520δ0=10

3 RF500-1.rf1.62 S=10SSCH20RF(

WN 250-300 RFFH0s RF6S=26100-1.0

WN 50(B)-10 RF Sch40S½2

PL 250(B)-10 RFh00 RF2.410RJh

LWN 65-300 RJ Sch10ot;-300 RF0RFRFM4 T