HG/T 21574  吊耳 HP-60

HP-60470 RF Sch806@40HF

SW 2 1/2"-150 RF

PL 25-16 RF

WN600-150 RF Sch40

B WN 650-150 RF S=10

WN80-16 RF S=7

WN200-10 rfHFRFF MF4F-R

WN300B)-150 RF

WN14"-900 RJ Sch120

WN 125(B)-10 FF S=40RF B=52 δ0=8.4/forum.html S=Jb=3F=8RF�ذ�B6FH80