spool down

短语

词形变化

spooled down spooling down spools down 三单 spools down spooling down 现在分词 spooled down 过去式 spooled down 过去分词

释义与例句

v.
  1. 1.

    To decrease in rotational speed, producing a decrease in thrust.

    航空 商务 工程

    All ground personnel MUST be made aware that big jet engines take a considerable time to spool down. We don't want any more mechanics getting sucked in or catapulted across the apron.