NB/T 47065.1  支座 BⅡ 27599

BII 27599

WN 50(B)-25 RF S=4

BII 35547

A WN20"-150 RF

PL250-16RF

BII 36807

WN 80-900 RF

WN 6"-300 RF Sch40

SO 5"-150 RF

PL50-40rfF-R RF Ⅱ00-1.0t;-150 RF@ RFF001SShRF5 RJc5RF0F5 RJ-57.4 b=125 RF S=4uot;-150 RF0-0.6 δ=7mm1K=34mpamp;