midfeather

中间间隔, 隔板, 挡板, 承板

词形变化

midfeathers 复数 midfeathers

释义与例句

n.
  1. 1.

    A vertical water space in a firebox or combustion chamber within a steam boiler.

  2. 2.

    A support for the centre of a tunnel.

    商务 采矿

词源

From mid- + feather.

来源：wiktionary