self-emptying

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. That can empty itself, when required to do so. not-comparable
    — The ashpan has three hoppers, one between and one on each side of the main frames, and is of the self-emptying type, having bottom flap doors on the hoppers, connected by a shaft with universal joints and operated by a lever at ground level.

词源

From self- + emptying.
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