弯头 DN 450-Sch4090ES WN903/u0083/u00c6/u0092/public/common/qq.png

wn150-600rfsch16

wn300(b)-10fm/34/

法兰WN65(B)-16RFsS=6 MX=N sc941060Sch/

SO 50-300 RF

WN15-300 G Sch40 S=

wn50(b)-150rf s-1.0 δ26

WN100-300 RF Sch40 s=8k=605F60RFR1/

LWN20-600rf/

WN150-25RF.5RF

wn500(b)-40fms=1

BL 12"-150 RF

20592 BL150-1