HG/T 20592  法兰盖 BL 25-16 RFb)-

BL 25-16 RFb)-

BL 150(B)-16 RF

bii 49000700-2.5 î´

WN 80(B)-16 RF S=4

WN15(B)-160RFh=5311540F0Y92RCH80S/80096

so 100-300 T5sc5f6cF ScRFscpF

SO25-6 FFWN RFRF RFs=1016t0F Sch80Nf是什4

SO40-150 RF B=5500RFRFFcA=/n250-wn6tRrfh-0.25R100000/´1

WN 100