偏心异径管 DN 250×100-Ⅱ-6RE

DN 250×100-Ⅱ-6 RE

wn80-600 RJ Sch80

lwn80(b)-25 rf

wn150(b)-40g

bl 350-150 t

BL80-10RF RFco10 RF55 RF/ H

bl25-300RF

BL300(B)-25RFH4=h10 rf00-1.6 *0-1.00-2. s=1400

BL400-10RF2.5

wn 500-300 fm6/72S308

LWN50-1500 RJ B=40.3

BL450-300 RF C=38.0/sch40