NB/T 47065.1  支座 BⅡ 31738 Sch8000SÂ/@4�p0O2m40

BII 31738 Sch8000SÂ/@4�p0O2m40

WN100(B)-16 RF

PJ/SE 32(B)-10 FF

PJ/SE 200(B)-16 RF S=8.00

ASME B16.5-2017 法兰盖 BL250-150RF

WN50-150 RF Sch129B-6@ RJ2 Sch40S@S5 R

NB/T47022 C-FM500-4.0

PL32(B)-16 RF

3 B152115uot8091RF@RF@08iBF407.5 R

LWN150-30