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单词 extension ladder
释义

extension ladder

noun
A ladder that can be extended by means of sliding sections.Never use a step ladder in a folded position by pretending it's an extension ladder and leaning it against something - the feet are angled the wrong way for this use, and the ladder will easily slip....
  • That family-owned extension ladder, in fact, serves as a community ladder.
  • So Brian welded an extension ladder on top of a really tiny wheeled base.
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更新时间:2024/11/13 16:37:35