NB/T 47065.1  支座 A 0020 d

DN 15-Sch40S 90ELS A0020 d

JWN 400×300-16 RF

WN500-600 M S=

WN 150-300 RF Sch40S

PL500(B)-10FF5b)-

IF 150-40 MFfRF2

WN32-150 RFS6F/0-15r

SO0100-16RF00-150j0-0.6-15515500-1.60.6 \u00ce\═0/6h

DN200-PN40 PL RF Ⅱ

娉曞叞 PL50(B)-10RFampampamp;amp;