n. 熨斗底面, 基础底板

[化] 底板; 基础底板

Soleplate \Sole"plate`\, n. (Mach.)
(a) A bedplate; as, the soleplate of a steam engine.
(b) The plate forming the back of a waterwheel bucket.

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}.