HG/T 20592  法兰 PL 100(B)-10 FF16M)-6R150S=7

PL100B-10FF16M)-6R150S=7

WN 20-150 RF Sch40S H1=倒

TPB-5-12.5-18RF910M0634RFr010RFh0rf-RF Sch4

BL 40-300 RF060fc6m386@Sch400F10a)0@RFerffrS@900 RF Sch40Ss=2016ampR RF Sch40S)-16RF6

WN40-2500RJ

PL600(B)-6 RF d=7751RF S

BL 250-6 FF��sF RF.5 RJ4RF