HG/T 21574  吊耳 SP-38

SP-3807

DN20-PN100 PL RJ Ⅱ

WN 600-300 RF S=3

WN 400(B)-10 RF S=6g/

WN 450(B)-25 FM S=8

2 A55442

1 FM 800-1.0 δs=8

DN15/PN10/05B

BL400-6RF

PL65(b)-16RFMp25 FM S=806/6-s0 R/1 rf100--34700-0.2520δ1=145G/TM Schh4SS5 RJ2AF@B Sch40SFFM Sc382200FM@4 RF