法兰 LWN 20-600 RJ h260/2amRC135rf 44.5-δ=3��片hg/009 S=4h40s120f=724�=5 B=244 C=28 K=362 d= L=
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  • 打印网址:https://flcad.com/@lwn20-600rj h260/2amRC135rf 44.5-δ=3��片hg/009 S=4h40s120f=724�=5 B=244 C=28 K=362 d= L=
  • 6.3330°ф234860313≤260°3×45°ф1030ф990ф945ф900