underdraught

下压

词形变化

underdraughts 复数 underdraughts

别名

underdraft

释义与例句

n.
  1. 1.

    A draught of air from underneath.

    可数 不可数

    I noticed, too, that small radiating walls had been built out from the central mass, on which, allowing full underdraught, had been laid the outside coating of the central pyre, in shape of fagots and lighter fuel.

  2. 2.

    The situation where part of a formed or cast shape has a reverse taper or inward‑leaning surface that makes it difficult to remove from the die or mold.

    可数 不可数 工程

词源

From under- + draught.

来源：wiktionary