弯头 DN 15-Sch10S45ELS=8/

DN 15-Sch10S 45ELS=8/

HG 20592-2009 pl450(b)-10 rf/

PL200(B)-10RF L=23 d=266 f1=3 C=19 D=33

BL80-40rfF0=FM50o600-300rf

nb/t47022 rf2000-0.6ĉ

Th(Rc)50-16 RF

BWN1200-150TGL25-150RF=60 FF/126-26/

20615 BL400-600RF=-1.0/55g S=2.880-

/u00c3/u00a6/u00c2