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upcast

/ˈʌp.kɑːst/

翻译: 名词,指矿井中用于排出或向上输送空气的通风井或通道;也指向上抛掷或向上投射的动作。

1 个条目

noun

/ˈʌp.kɑːst/C2formaltechnical
  • zh名词,指矿井中用于排出或向上输送空气的通风井或通道;也指向上抛掷或向上投射的动作。

A noun referring to a ventilation shaft or passage in a mine through which air is expelled or rises.

  1. Mine ventilation shaftC1formaltechnical

    A ventilation shaft or passage in a mine through which air is forced upward and out of the mine.

    zh出风井

    • The miners relied on the upcast to remove stale air from the tunnels.
    • Engineers designed a new upcast to improve airflow underground.
    • The upcast shaft was inspected for blockages regularly.

    同义词air shaftventilation shaft

    反义词downcast

词形
  • upcasts plural form
  • upcasts' possessive plural form
  • upcast's possessive singular form