资料来源 : pyDict

支承板

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Bedpiece \Bed"piece`\, Bedplate \Bed"plate`\, n. (Mach.)
   The foundation framing or piece, by which the other parts are
   supported and held in place; the bed; -- called also
   {baseplate} and {soleplate}.